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Alphabetical Locality Index - O
Search returned: 4560 items
O-42 pit, Pine Point, Northwest Territories, Canada
Oacoma, Lyman Co., South Dakota, USA
Oadby, Leicestershire, England, UK
Oades Pit (MRDS - 10128857), Wasco Co., Oregon, USA
Oades Pit (MRDS - 10226673), Wasco Co., Oregon, USA
Oage mine (Ou'age mine), Shimokita peninsula, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
O. A. Griffin Prospect, Jefferson Co., Alabama, USA
Oahu Island, Honolulu Co., Hawaii, USA
Oak Bar dredge (Klamath dredge), Oak Bar, Monument Point, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
Oak Bar, Monument Point, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
Oak Basin group, Granite and North Granite Districts, Mineral Range, Beaver Co., Utah, USA
Oak Bottom placer, Somes Bar, Klamath Mts, Siskiyou Co., California, USA
Oakbottom Stream Works, Darley, Linkinhorne, Liskeard District, Cornwall, England, UK
Oak Bower Church, Hart Co., Georgia, USA
Oak Bowery area (Old Bowery area), Chambers Co., Alabama, USA
Oak Bowery Prospect, Chambers Co., Alabama, USA
Oak Chapel Shale Pit, Cumberland Co., Illinois, USA
Oak Creek 1-4 claims, Hackberry Mountain area, Sierra Ancha District, Sierra Ancha Mts, Gila Co., Arizona, USA
Oak Creek 2, Crook Co., Wyoming, USA
Oak Creek deposit, Oak Creek, San Carlos area, San Carlos Indian Reservation, Gila Co., Arizona, USA
Oak Creek deposit, Oak Creek Valley, Fort Apache Indian Reservation, Navajo Co., Arizona, USA
Oak Creek District (Ilse District), Custer Co., Colorado, USA
Oak Creek District (Red Gorge District), Routt Co., Colorado, USA
Oak Creek Grade Prospect (Basin Ranch), Wet Mountains Area, Fremont Co., Colorado, USA
Oak Creek Occurrence, Crook Co., Wyoming, USA
Oak Creek, Pima Co., Arizona, USA
Oak Creek placers, Oak Creek, Minnehaha placers, Minnehaha Creek, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Oak Creek Prospect, Garfield Co., Utah, USA
Oak Creek Prospect, Notom Area, Garfield Co., Utah, USA
Oak Creek, Wet Mountains Area, Custer Co., Colorado, USA
Oak, Cripple Creek District, Teller Co., Colorado, USA
Oakdale Colliery, Oakdale, Caerphilly (Gwent; Monmouthshire), Wales, UK
Oakdale-Knights Ferry area, Stanislaus Co., California, USA
Oakdale quartzite locality, Sterling, Worcester Co., Massachusetts, USA
Oakdale Ranch, Bryson, Santa Lucia Mts (Santa Lucia Range), Monterey Co., California, USA
Oak Dam East deposit, Roxby Downs, Andamooka Ranges - Lake Torrens area, South Australia, Australia
Oakes "limestone" quarry, Lisbon, Grafton Co., New Hampshire, USA
Oakes and Reese Mine (Grand Prize and Badger), Hunter Valley, Mariposa Co., California, USA
Oakesdale Copper Company, Java District, Dawson Co., Montana, USA
Oakey Creek deposit, Red Range, Gough Co., New South Wales, Australia
Oakey Hill Lodes, Jindera, Hume Co., New South Wales, Australia
Oakfield Brick Pit, Fond Du Lac Co., Wisconsin, USA
Oakfield & Byron Quarries, Fond Du Lac Co., Wisconsin, USA
Oakfield, Genesee Co., New York, USA
Oakfield Quarry (Oakfield Stone Company), Fond Du Lac Co., Wisconsin, USA
Oak Flat and East Fork groups (Patrick Creek group), Shelly Creek Ridge, Lawyers Bar, Patrick Creek District, Klamath Mts, Del Norte Co., California, USA
Oak Flat Mine, Wingate Bar, Clear Creek, Klamath Mts, Siskiyou Co., California, USA
Oak Flat Placer, Nevada Co., California, USA
Oak group, Granite and North Granite Districts, Mineral Range, Beaver Co., Utah, USA
Oak Grove, Aguanga Mountain District (Smith Mountain District), San Diego Co., California, USA
Oak Grove Canyon No. 1 prospect, Galiuro Mts, Graham Co., Arizona, USA
Oak Grove Canyon No. 2 prospect, Galiuro Mts, Graham Co., Arizona, USA
Oak Grove Canyon No. 3 prospect, Galiuro Mts, Graham Co., Arizona, USA
Oak Grove Deposit (Ethyl Corp. Deposit), West Tennessee, Henry Co., Tennessee, USA
Oak Grove Fork, Clackamas Co., Oregon, USA
Oak Grove Fork, Clackamas River Localities, Clackamas Co., Oregon, USA
Oak Grove Mine, Deadwood, Deadwood District, Klamath Mts, Siskiyou Co., California, USA
Oak Grove Nos. 1 & 2 Mines, Patrick Creek, Patrick Creek District, Klamath Mts, Del Norte Co., California, USA
Oak Grove prospect, Tyrone Area, Burro Mountains District, Grant Co., New Mexico, USA
Oak Grove Ranch Property, Pagosa Springs Area, Archuleta Co., Colorado, USA
Oak Grove Road Sandstone Deposit No. 1, Trempealeau Co., Wisconsin, USA
Oak Grove Road Sandstone Deposit No. 2, Trempealeau Co., Wisconsin, USA
Oak Hall Quarry, College Township, Centre Co., Pennsylvania, USA
Oak Hill area, San Jose, Santa Clara Co., California, USA
Oak Hill Columbite Locality, Standish, Cumberland Co., Maine, USA
Oak Hill graphite mine, Washington, Sullivan Co., New Hampshire, USA
Oak Hill Group, Nevada Co., California, USA
Oak Hill Mine, Lewis, Essex Co., New York, USA
Oak Hill Mine (Olsen Mine), Cooperstown, Tuolumne Co., California, USA
Oak Hill Prospect, Caldwell Co., North Carolina, USA
Oak Hill Quarry, Oak Hill, San Jose, Santa Clara Co., California, USA
Oak Hill Quarry, Oak Hill, Westford, Middlesex Co., Massachusetts, USA
Oak Hill, San Jose, Santa Clara Co., California, USA
Oak Hill silver mine, Harvard, Worcester Co., Massachusetts, USA
Oak Hill, Standish, Cumberland Co., Maine, USA
Oak Hill, Westford, Middlesex Co., Massachusetts, USA
Oak Hollow occurrence, Cade Mountain, Klamath Mts, Siskiyou Co., California, USA
Oakhurst, Madera Co., California, USA
Oakie Mine, Elk Ridge, San Juan Co., Utah, USA
Oak Knoll Placer Mine (Shoemaker claim; Bunker Hill claim), Big Pines, Mount Baldy District, San Gabriel Mts, Los Angeles Co., California, USA
Oakland; Antioch & Eastern Railroad Company Mine, Moraga, Diablo Range, Contra Costa Co., California, USA
Oakland Asbestos Mine, Lake Toxaway, Transylvania Co., North Carolina, USA
Oakland, Burrillville, Providence Co., Rhode Island, USA
Oakland Co., Michigan, USA
Oakland Consolidated Mine (Oakland; Machine), El Dorado Co., California, USA
Oakland Creek Prospect (formerly known as Diomede Creek), Port Clarence District, Nome Borough, Alaska, USA
Oakland group, Searchlight District, Clark Co., Nevada, USA
Oakland Hills, Diablo Range, Alameda Co., California, USA
Oakland Level Mine (Brady Mine; McFeeley Level), Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Oakland Magnesite Company prospect (Deer Creek and North Mine; Oakland Magnesite Mine; Langley lease), Deer Creek area, Porterville, Tulare Co., California, USA
Oakland Mine, Cementosa Wash, Sheep Tanks District, Little Horn Mts, Yuma Co., Arizona, USA
Oakland Mine (Oakland Copper Mine), Copper Canyon, Mineral King, Sequoia National Park, Tulare Co., California, USA
Oakland Mine, Sierra Co., California, USA
Oakland mine (White Star; Universal), Caballo Mountain District, Sierra Co., New Mexico, USA
Oakland, Oakland Hills, Diablo Range, Alameda Co., California, USA
Oakland prospect, Cooney, Hillgrove, Sandon Co., New South Wales, Australia
Oakland Prospect, Fayette Co., Tennessee, USA
Oakland Quartz Mine, Grass Valley, Nevada City District (Grass Valley District), Nevada Co., California, USA
Oaklawn, Cranston, Providence Co., Rhode Island, USA
Oaklawn Soapstone quarry, Oaklawn, Cranston, Providence Co., Rhode Island, USA
Oakleigh Creek mine (Mt Pelion wolfram mine), Upper Forth Valley, Tasmania, Australia
Oak Level, Franklin Co., Virginia, USA
Oak Level, Henry Co., Virginia, USA
Oakley mine, Central Tennessee Ba-F-Pb-Zn District, Wilson Co., Tennessee, USA
Oakley Peak Prospect, Bristol Bay District, Lake and Peninsula Borough, Alaska, USA
Oakley Prospects, Henry Co., Virginia, USA
Oakley Valley Stone; Inc, Cassia Co., Idaho, USA
Oakman Group Mine, Washington District (Omega District), Nevada Co., California, USA
Oak Mesa Prospect, Tuolumne Co., California, USA
Oak Mine, Alleghany, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA
Oak Mine (August; Crown Point; Black Oak), El Dorado Co., California, USA
Oak Mine, Hope Mtn, Ringwood, Passaic Co., New Jersey, USA
Oak Mine, Winona District, Josephine Co., Oregon, USA
Oakmont, Sonoma Mts, Sonoma Co., California, USA
Oak, Nuckolls Co., Nebraska, USA
Oak Park Clay Prospect, Riverside Co., California, USA
Oak Park Mine, Greaterville District, Santa Rita Mts, Pima Co., Arizona, USA
Oak Patch claim, Dutch Flat District (Gold Run District; Towie District), Placer Co., California, USA
Oak Ranch Quarry No. 1, Columbia Co., Oregon, USA
Oak Ridge, Guilford Co., North Carolina, USA
Oak Ridge Occurrence, Anderson Co., Tennessee, USA
Oakridge Pit & Plant, Lane Co., Oregon, USA
Oak Ridge prospect, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Oak Ridge Quarry, Greenwich, Fairfield Co., Connecticut, USA
Oak Ridge Quarry (Roverud Construction Company), Houston Co., Minnesota, USA
Oak Ridge, Santa Clara Co., California, USA
Oak Ridge, St. Clair Co., Alabama, USA
Oak Ridge, West Milford Township, Passaic Co., New Jersey, USA
Oak Run, Shasta Co., California, USA
Oaks Corners Quarry (General Crushed Stone Company Quarry), Oaks Corners, Ontario Co., New York, USA
Oak Shade Placer, Tuolumne Co., California, USA
Oaks Knob Mine (Burnt Mine), Plumtree, Spruce Pine District, Avery Co., North Carolina, USA
Oaks Mine, Bullion Mountain, Klamath Mts, Siskiyou Co., California, USA
Oak Spring area, Magdalena District, Socorro Co., New Mexico, USA
Oak Spring District, Nye Co., Nevada, USA
Oak Springs Baptist Church, Gilkey, Rutherford Co., North Carolina, USA
Oak Springs Gravel Cap Mine, Carrizo Mts (Carrizo Range), Apache Co., Arizona, USA
Oak Springs mine, Eastside mines, Shiprock District, San Juan Co., New Mexico, USA
Oak Springs Mine, Mariposa Co., California, USA
Oak Springs Plot No. 10 Mine, Carrizo Mts (Carrizo Range), Apache Co., Arizona, USA
Oaks Prospect, Amador Co., California, USA
Oaks Prospect, Orange Co., North Carolina, USA
Oak Stone Quarry (Oak Stone Company; Oakfield Quarry), Fond Du Lac Co., Wisconsin, USA
Oaks Tunnel, Mogollon District, Catron Co., New Mexico, USA
Oak Valley Placer Mine, Yuba Co., California, USA
Oak View, Ventura Co., California, USA
Oakville District, Mayacmas Mts (Mayacamas Mts), Napa Co., California, USA
Oakville, Oakville District, Mayacmas Mts (Mayacamas Mts), Napa Co., California, USA
Oakville Quarries, Oakville, Grays Harbor Co., Washington, USA
Oakwood Gulf reef, Dalmorton, Gresham Co., New South Wales, Australia
Oakwood Lake Pit, San Joaquin Co., California, USA
Oakwood Mill Deep Iron Mine, Forest of Dean, Gloucestershire, England, UK
Oakwood Placer Mining Company, Placer Co., California, USA
Oakwood Prospects, Montgomery Co., Tennessee, USA
Oakwood Salt shaft, Detroit, Wayne Co., Michigan, USA
Oaky Creek lead, Aconite, Copeton Dam, Hardinge Co., New South Wales, Australia
Oamities Mine, Oamities, Windhoek District, Khomas Region, Namibia
Oamities, Windhoek District, Khomas Region, Namibia
O and B Mine, Monte Cristo, Monte Cristo District, Snohomish Co., Washington, USA
O and O Placer Mine, Moonlight Peak, Taylorsville District, Plumas Copper Belt, Plumas Co., California, USA
O and T Placer Mine, Trinity Co., California, USA
O. A. Prince Tract No. 1 Prospect, Hickman Co., Tennessee, USA
O. A. Prince Tract No. 2 Prospect, Hickman Co., Tennessee, USA
Oarasawa- Akutozawa Mine, Waga-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Oaro, Canterbury, South Island, New Zealand
Oashi mine (Ou'ashi mine), Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Oasis Divide, Silver Peak District, Esmeralda Co., Nevada, USA
Oasis group (Delshay group), Richmond Basin District, Apache Peaks, Gila Co., Arizona, USA
Oasis, Mayacmas Mts (Mayacamas Mts), Mendocino Co., California, USA
Oasis Mine, Sierra Co., California, USA
Oasis mine, Sylvania District, Esmeralda Co., Nevada, USA
Oasis, Mono Co., California, USA
Oasis Occurrence (Mas 23 1026), Circle Cliffs, Garfield Co., Utah, USA
Oasis, Pequop District, Elko Co., Nevada, USA
Oasis Placer, Uravan District, Montrose Co., Colorado, USA
Oasis Prospect, Barker District, Judith Basin Co., Montana, USA
Oasis Pumice Deposit (Cornucopia), Oasis area, Inyo Co., California, USA
Oatfield Mine, Crenver & Wheal Abraham (incl. Wheal Sarah; Great Drym Consols), Crowan, Mount's Bay District, Cornwall, England, UK
Oat Hill Extension Mine (Anderson Mine), Aetna Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Napa Co., California, USA
Oat Hill Mines, Aetna Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Napa Co., California, USA
Oatman Amalgamated Extension group, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Amalgamated Mine (Oatman Amalgamated Gold Mine), Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Belle Mine, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Champion Mine, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Combination Mine, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Extension Mine, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Fire Agate claims (Cuesta claims), Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Half Moon Mining Co. Mine (Half Moon No. 3), Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Imperial Mines Co. Mine (Oatman Imperial No. 2; Sunrise Mine), Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Nora Mine, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Northwestern Mine, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman - NW of, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Queen Mine, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Rand Mine, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Southern Mine, Boundary Cone, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Syndicate Mine (Putney group), Boundary Cone, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman United Mine, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oatman Venture Mine (Oatman Mine), Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oaxaca, Mexico
O. Axness Stone Quarry, Trempealeau Co., Wisconsin, USA
Oban, Clarke Co., New South Wales, Australia
Obara Mine, Miyagi Prefecture, Tohoku Region, Honshu Island, Japan
Obata mine, Kameoka City, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Obato-Shela (Ovatu-Shela) bauxite deposit, Shah Wali Kot District, Kandahar Province (Qandahar Province), Afghanistan
O. B. Clements Prospect, Monroe Co., Georgia, USA
Obecnice, Příbram, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Obejo mine, Cardeña, Córdoba, Andalusia, Spain
Obelisk Mine (Peacock), Cataract District (Comet District; Basin District), Jefferson Co., Montana, USA
Obelisk No. 1 Mine, Fresno Co., California, USA
Obenemase, Ashanti gold belt, Western Region, Ghana
Oberaar-Grimsel water tunnel, Oberaar power station, Grimsel area, Hasli Valley, Bern, Switzerland
Oberaar lake area, Grimsel area, Hasli Valley, Bern, Switzerland
Oberaar power station, Grimsel area, Hasli Valley, Bern, Switzerland
Oberalp pass area, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland
Oberalpstock (south slope), Strem Valley, Tujetsch (Tavetsch), Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland
Oberarnsdorf, Rossatz-Arnsdorf, Wachau, Lower Austria, Austria
Oberbachem, Wachtberg, Siebengebirge, North Rhine-Westphalia, Germany
Oberbargen, Bargen, Schaffhausen, Switzerland
Oberbergen, Kaiserstuhl, Baden-Württemberg, Germany
Oberbettingen, Hillesheim, Eifel, Rhineland-Palatinate, Germany
Oberbillig Deposit (Oberbillig-Quartz Creek), Valley Co., Idaho, USA
Oberbrumberg, Enchenreuth, Schwarzenbach am Wald, Franconian Forest, Franconia, Bavaria, Germany
Oberbuchach, Kirchbach, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria
Ober Creek Prospect, Delta River District, Southeast Fairbanks Borough, Alaska, USA
Oberdielfen, Wilnsdorf, Siegerland, North Rhine-Westphalia, Germany
Oberdorf an der Laming, Laming valley, Bruck an der Mur, Styria, Austria
Oberdorf seam, Köflach - Voitsberg lignite deposit, Köflach, Styria, Austria
Oberdrauburg, Kreuzeck group, Carinthia, Austria
Obere Glashütte, Rajokenkogel, Soboth, Koralpe, Styria, Austria
Oberehrendingen, Baden, Aargau, Switzerland
Oberellenbach, Alheim, Hesse, Germany
Oberentersbach, Zell am Harmersbach, Black Forest, Baden-Württemberg, Germany
Obere Ödenwinkelscharte, Stubach valley, Hohe Tauern, Salzburg, Austria
Oberer Burgstall, Schareck, Naßfeld valley, Gastein valley, Hohe Tauern, Salzburg, Austria
Oberer Hackenkopf, Seebach valley, Obersulzbach valley, Hohe Tauern, Salzburg, Austria
Obererl (Ehl), Linz am Rhein, Westerwald, Rhineland-Palatinate, Germany
Oberes Brett, Große Zirknitz valley, Zirknitz, Goldberg group, Hohe Tauern, Carinthia, Austria
Obere Stafel, Geisspfad area, Binn Valley, Wallis (Valais), Switzerland
Oberfahlenbach, Eisenbach, Titisee-Neustadt, Black Forest, Baden-Württemberg, Germany
Oberfeld Shale Quarry, Potter Valley area, Coastal Range, Mendocino Co., California, USA
Obergailberg, Lesach valley, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria
Obergesteln, Goms, Wallis (Valais), Switzerland
Obergurgl, Gurgler valley, Ötz valley, North Tyrol, Tyrol, Austria
Oberhaag, Aigen im Mühlkreis, Mühlviertel, Upper Austria, Austria
Oberhaag, Styria, Austria
Oberhalbstein (Surses; Sursass), Albula Valley, Grischun (Grisons; Graubünden), Switzerland
Oberharmersbach, Harmersbach valley, Zell am Harmersbach, Black Forest, Baden-Württemberg, Germany
Oberhaus Alp, Wolfbach valley, Hohe Tauern, Salzburg, Austria
Oberhausen, Ruhr Coal Mining area, North Rhine-Westphalia, Germany
Oberhohndorf, Zwickau, Saxony, Germany
Oberholtzer Quarry, Martindale, Lancaster Co., Pennsylvania, USA
Oberhütte (slag locality), Volkstedt, Eisleben, Mansfeld Basin, Saxony-Anhalt, Germany
Ober-Kainsbach, Reichelsheim, Odenwald, Hesse, Germany
Oberkassel (Obercassel), Bonn, Siebengebirge, North Rhine-Westphalia, Germany
Oberkienstock, Rossatz, Rossatz-Arnsdorf, Wachau, Lower Austria, Austria
Oberkirch, Black Forest, Baden-Württemberg, Germany
Oberkirch, Nunningen, Solothurn, Switzerland
Oberkotzau, Münchberg Metamorphic complex, Franconia, Bavaria, Germany
Oberkrimml (Hinterkrimml), Krimml, Krimmler Ache valley, Hohe Tauern, Salzburg, Austria
Oberkurzheim, Pöls valley, Niedere Tauern, Styria, Austria
Oberlahr, Altenkirchen, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany
Oberlausitz, Saxony, Germany
Oberleidenberg, Bad Weißenbach, Saualpe, Carinthia, Austria
Oberlend, Lend, Schwarzach, Salzburg, Austria
Oberlin Hill Mine, Yreka, Siskiyou Co., California, USA
Obermamau, Karlstetten, Mostviertel, Lower Austria, Austria
Obermatt Quarry, Ennetbürgen, Nidwalden (Nidwald), Switzerland
Obernburg am Main, Elsenfeld, Odenwald, Franconia, Bavaria, Germany
Oberndorf, Salzburg, Austria
Oberon, Westmoreland Co., New South Wales, Australia
Ober-Ostern, Fürth, Odenwald, Hesse, Germany
Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany
Oberpfannenstiel, Aue, Erzgebirge, Saxony, Germany
Ober Plattnerbode, Weisstannen Valley, St Gallen, Switzerland
Oberpleis, Siebengebirge, North Rhine-Westphalia, Germany
Oberpuchenau, Linz, Upper Austria, Austria
Oberpullendorf, Burgenland, Austria
Ober Quarry (Edward Kraemer and Sons; Inc.), La Crosse Co., Wisconsin, USA
Ober-Ramstadt, Odenwald, Hesse, Germany
Oberreitgraben, Felben valley, Hohe Tauern, Salzburg, Austria
Oberriet, Rhine valley, St Gallen, Switzerland
Oberroßbach, Dillenburg District, Hesse, Germany
Oberrötenbach, Gremmelsbach, Triberg, Black Forest, Baden-Württemberg, Germany
Oberrotweil, Kaiserstuhl, Baden-Württemberg, Germany
Obersakoparnig, Köstenberg, Velden, Carinthia, Austria
Obersaxen, Vorderrhein Valley, Grischun (Grisons; Graubünden), Switzerland
Oberschaffhausen, Bötzingen, Kaiserstuhl, Baden-Württemberg, Germany
Oberscheibe, Schwarzenberg District, Erzgebirge, Saxony, Germany
Oberscheld, Dillenburg, Dillenburg District, Hesse, Germany
Oberschlema, Schlema, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany
Oberschöna, Freiberg District, Erzgebirge, Saxony, Germany
Oberschrammach glacier, Schrammacher, Zamser Grund (Zams valley), Ziller valley, North Tyrol, Tyrol, Austria
Oberschulenberg, Clausthal-Zellerfeld, Harz, Lower Saxony, Germany
Obersdorf, Sangerhausen, Saxony-Anhalt, Germany
Obersdorf, Siegen, Siegerland, North Rhine-Westphalia, Germany
Obersemlach, Hüttenberg, Friesach - Hüttenberg area, Carinthia, Austria
Oberstadtfeld, Daun, Eifel, Rhineland-Palatinate, Germany
Oberste Weide clay pit, Allendorf, Greifenstein, Hesse, Germany
Obersulzbach valley, Hohe Tauern, Salzburg, Austria
Obertalbach valley, Schladminger Tauern, Schladming, Styria, Austria
Obertauern, Radstädter Tauern, Salzburg, Austria
Obertilliach, Gailbach valley, East Tyrol, Tyrol, Austria
Obertraun, Hallstatt, Upper Austria, Austria
Oberviechtach, Oberpfälzer Wald, Upper Palatinate, Bavaria, Germany
Oberwald, Goms, Wallis (Valais), Switzerland
Oberwart, Burgenland, Austria
Oberweißburg (Ober-Weisburg), Zederhaus valley, Lungau, Salzburg, Austria
Oberwiesenthal, Niederschlag-Bärenstein District, Erzgebirge, Saxony, Germany
Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany
Oberwölz, Niedere Tauern, Styria, Austria
Oberzeiring, Pöls valley, Niedere Tauern, Styria, Austria
Oberzimmermoos, Hof, Brixlegg - Rattenberg, Brixlegg - Schwaz area, Inn valley, North Tyrol, Tyrol, Austria
Obetsuzawa mine (Kobetsuzawa mine), Sapporo, Hokkaido, Japan
Obichnik Au-Ag deposit, Rhodope Mts, Haskovo Oblast (Khaskovo Oblast), Bulgaria
Óbidos, Leiria District, Portugal
Obie mine, Kurashiki City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Obi, Hachiman, Sutama-cho, Hokuto City, Kinpuzan district, Yamanashi Prefecture, Chubu Region, Honshu Island, Japan
Obion Co., Tennessee, USA
Obion Pit, Obion Co., Tennessee, USA
Obira mine, Ono-gun, Oita prefecture, Kyushu Region, Japan
Obir caves, Hochobir, Karawanken, Carinthia, Austria
O. B. Jones Prospect, Straight Creek District, Claiborne Co., Tennessee, USA
O. B. Joyful Mine (Thurman; O. B. J.; O.B.J. Mine; J. Mine; Tyler and Aster; Panamint Mines Company), Inyo Co., California, USA
Oblaga Cu-Au deposit, Urad Rear Banner (Wulate Houqi), Bayan Nur League (Bayannao'er Prefecture), Inner Mongolia Autonomous Region, China
Öblarn, Niedere Tauern, Styria, Austria
Oblong Mine (Oblong claim), Yavapai Co., Arizona, USA
Obluchie, Khabarovskiy Kray, Far-Eastern Region, Russia
Obman, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Obnazhennaya pipe, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Obnoxious Mine, Uravan District, Montrose Co., Colorado, USA
Obojnikgraben, Ebriach, Bad Eisenkappel (Bad Eisenkappl), Karawanken, Carinthia, Austria
Obora, Lubin, Lubin District, Legnica, Lower Silesia (Dolnośląskie), Poland
Obora, Skalice nad Svitavou, Boskovice (Boskowitz), South Moravia Region, Moravia (Mähren; Maehren), Czech Republic
Obotan mine, Nkran Hill, Western Region, Ghana
Obot (Aobaotu; Aobaodu) Fluorite deposit, Siziwang Banner (Siziwang Co.), Ulaan Chab League (Wulanchabu Prefecture), Inner Mongolia Autonomous Region, China
Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
O'Brian Mine, Fruit Mountain, Klamath Mts, Siskiyou Co., California, USA
Obri Dul (Riesental), Krkonoše Mts (Riesengebirge), Hradec Králové Region, Bohemia (Böhmen; Boehmen), Czech Republic
O'Brien and Tully Placer, El Dorado Co., California, USA
O'Brien Canyon prospect (O'Brien Mine; Silver Crown group of claims), O'Brien Canyon, Quartz Spring District, Death Valley National Park, Inyo Co., California, USA
O'Brien Canyon, Quartz Spring District, Death Valley National Park, Inyo Co., California, USA
O'Brien claim, Buffalo Mountain District, Humboldt Co., Nevada, USA
O'Brien Deposit, Mariposa Co., California, USA
OBrien farm, North Russell, St. Lawrence Co., New York, USA
O'Brien (Former Town of), Haultain Township, Gowganda area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
O'Brien Lode, Eagle Creek District, Baker Co., Oregon, USA
O'Brien Manganese Prospect, Baker Co., Oregon, USA
O'Brien Manganese prospect, Cimarron District (Salt Well District), Cimarron & Sheridan Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA
O'Brien Mine, Coleman Township, Cobalt area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
O'Brien Mine (Cowboy Mine; Charcoal Canyon group), Cerbat, Cerbat District, Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
O'Brien Mine (Hidden Lead), Frog Pond Basin District, Granite Co., Montana, USA
O'Brien Mine, Jolon, Fort Hunter-Liggett Military Reservation, Los Burros District, Santa Lucia Mts (Santa Lucia Range), Monterey Co., California, USA
O'Brien Mine, Riverside Co., California, USA
O'Brien Mine (S-Bend Mine), Garden Valley Area, El Dorado Co., California, USA
O'Brien Mine, Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Obrien Ore Banks, Baltimore Co., Maryland, USA
O'Brien Ore Banks, Prince Georges Co., Maryland, USA
O'Brien Placer, Uravan District, Montrose Co., Colorado, USA
O'Brien Reserve Bu-14 Prospect (Butler Brothers; Hanna Mining Company Agt), Mesabi Range, Itasca Co., Minnesota, USA
O’Briens Creek Fossicking Area, Mount Surprise, Tablelands Region, Queensland, Australia
O'Brien Shale Quarry (Highway 128 Shale Quarry), Navarro, Coastal Range, Mendocino Co., California, USA
Obri Schmidmatte, Rosswald, Simplon pass area, Brig, Wallis (Valais), Switzerland
Obrist Pit, Wasco Co., Oregon, USA
Obritzberg-Rust, Mostviertel, Lower Austria, Austria
Obrotshischte, Varna, Varna Oblast, Bulgaria
Obsidian Butte, Niland, Imperial Co., California, USA
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane Co., Oregon, USA
Obsidian Cliff, Yellowstone National Park, Park Co., Wyoming, USA
Obsidian No. 1 Prospect, Marysvale District (Marysvale Uranium area), Piute Co., Utah, USA
Obsidian Quarry, Silver Cliff District, Custer Co., Colorado, USA
Obsidian Ridge, Inyo Co., California, USA
Obsidian, Roubaix, Galena District, Lawrence Co., South Dakota, USA
Obsidian Tank, Coconino Co., Arizona, USA
Obstbaum Mine, Dörfel, Annaberg District, Erzgebirge, Saxony, Germany
Obwalden (Obwald), Switzerland
OBW Fry claim, Greenlee Co., Arizona, USA
OBW Prospect, Goose Lake, Park Co., Montana, USA
Øby, Sarpsborg, Østfold, Norway
Ocala, Marion Co., Florida, USA
Ocala Pit B, Marion Co., Florida, USA
Ocala Pit, Marion Co., Florida, USA
Ocala Quarry, Marion Co., Florida, USA
O'Callaghan Mine, Seeley, Imperial Co., California, USA
Ocampo, Coahuila, Mexico
Ocaña, Toledo, Castile-La Mancha, Spain
Ocashuico prospect, Azuay Province, Ecuador
Ocasión Mine, Sierra Minera de Cartagena-La Unión, La Unión, Murcia, Spain
Occasional Group Occurrence, Chandalar District, North Slope Borough, Alaska, USA
Occidental Chem. Corporation Properties (Hooker Chemical Company Properties), Columbia District, Maury Co., Tennessee, USA
Occidental Claim, Helena District (Spring Hill District), Lewis and Clark Co., Montana, USA
Occidental Claim, La Veta District, Huerfano Co., Colorado, USA
Occidental, Coast Range, Sonoma Co., California, USA
Occidental Lode, Comstock District, Storey Co., Nevada, USA
Occidental Lode Occurrence, Unorganized District, Custer Co., South Dakota, USA
Occidental Mine, Calaveras Co., California, USA
Occidental Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA
Occidental Mine, Fremont District, Hidalgo Co., New Mexico, USA
Occidental Mine, Grizzly Flat, Iowa Hill area, Iowa Hill District, Placer Co., California, USA
Occidental Mine (High Up; Oxidental), Sheridan District (Mill Creek District; Wisconsin District), Madison Co., Montana, USA
Occidental Mine Lot 37, Tehama Co., California, USA
Occidental Mine (Occidental group), Calico-Odessa group, Calico, Calico District (Daggett District), Calico Mts (Calico Hills), San Bernardino Co., California, USA
Occidental Mine (Occidental group), Low Divide, Low Divide District, Klamath Mts, Del Norte Co., California, USA
Occidental Mine (Occidental group), Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Occidental mine, Occidental Lode, Comstock District, Storey Co., Nevada, USA
Occidental Mine, Phillipsburg Area, Chloride District, Sierra Co., New Mexico, USA
Occidental mine, Reese River District, Lander Co., Nevada, USA
Occidental Occurrence, Uravan District, Montrose Co., Colorado, USA
Occidental prospect, Duncan Springs, Coastal Range, Mendocino Co., California, USA
Occidental Road, Occidental, Coast Range, Sonoma Co., California, USA
Occidental (Shotgun), Sierra Co., California, USA
Occidental vein, Poland-Walker railroad tunnel, Big Bug District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Occidental, Ward District, Boulder Co., Colorado, USA
Occidental WPA Quarry, Occidental, Coast Range, Sonoma Co., California, USA
Occident group of claims, Hum Bug District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Occident Mine (Occidental Mine; Horn Silver Mine), White Hills District, White Hills, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Occident Mine, Ophir Mountain, Murray District (Summit District), Shoshone Co., Idaho, USA
Occident Occurrence, Quartz Creek District, Gunnison Co., Colorado, USA
Occident Prospect, Amador Co., California, USA
Occident prospect (Amarillo; Wises Mine; Amrillo), Duncan Springs, Coastal Range, Mendocino Co., California, USA
Occident Prospect, Galena District, Blaine Co., Idaho, USA
Occident Tunnel Occurrence, Red Mountain District, San Juan Co., Colorado, USA
Occlini Pass (Grimmjoch), Ega Valley (Eggen Valley), Isarco Valley (Eisack Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy
Occoquan Quarry (Occoquan Quarry Nos. 1 & 2), Fairfax Co., Virginia, USA
Occurrence (MRDS - 10007144), El Dorado Co., California, USA
Occurrence (MRDS - 10031979), Nevada Co., California, USA
Occurrence (MRDS - 10032099), Placer Co., California, USA
Occurrence (MRDS - 10035840), Trinity Co., California, USA
Occurrence (MRDS - 10035841), Trinity Co., California, USA
Occurrence (MRDS - 10035890), Trinity Co., California, USA
Occurrence (MRDS - 10035893), Trinity Co., California, USA
Occurrence (MRDS - 10035895), Trinity Co., California, USA
Occurrence (MRDS - 10035914), Trinity Co., California, USA
Occurrence (MRDS - 10103416), Trinity Co., California, USA
Occurrence (MRDS - 10103425), Trinity Co., California, USA
Occurrence (MRDS - 10111112), Sierra Co., California, USA
Occurrence (MRDS - 10111117), Sierra Co., California, USA
Occurrence (MRDS - 10116890), Sierra Co., California, USA
Occurrence (MRDS - 10140594), Shasta Co., California, USA
Occurrence (MRDS - 10141000), Sierra Co., California, USA
Occurrence (MRDS - 10164882), Sierra Co., California, USA
Occurrence (MRDS - 10165336), Shasta Co., California, USA
Occurrence (MRDS - 10165453), Shasta Co., California, USA
Occurrence (MRDS - 10166153), Tehama Co., California, USA
Occurrence (MRDS - 10189358), Sierra Co., California, USA
Occurrence (MRDS - 10189699), Sierra Co., California, USA
Occurrence (MRDS - 10190009), Sierra Co., California, USA
Occurrence (MRDS - 10213485), Sierra Co., California, USA
Occurrence (MRDS - 10214404), Yuba Co., California, USA
Occurrence (MRDS - 10214426), Yuba Co., California, USA
Occurrence (MRDS - 10232087), Shasta Co., California, USA
Occurrence (MRDS - 10236918), Nevada Co., California, USA
Occurrence (MRDS - 10237490), Sierra Co., California, USA
Occurrence (MRDS - 10237599), Sierra Co., California, USA
Occurrence (MRDS - 10237726), Sierra Co., California, USA
Occurrence (MRDS - 10238165), Sierra Co., California, USA
Occurrence (MRDS - 10256157), Nevada Co., California, USA
Occurrence (MRDS - 10262514), Shasta Co., California, USA
Occurrence (MRDS - 10286355), Shasta Co., California, USA
Occurrence (MRDS - 10286694), Sierra Co., California, USA
Occurrence (MRDS - 10286898), Sierra Co., California, USA
Occurrence No. 9390, Shah Wali Kot District, Kandahar Province (Qandahar Province), Afghanistan
Occurrences (Miners Group; MRDS - 10262444), Shasta Co., California, USA
Occurrences (MRDS - 10116981), Shasta Co., California, USA
Occurrences (MRDS - 10117042), Shasta Co., California, USA
Occurrences (MRDS - 10140798), Shasta Co., California, USA
Occurrences (MRDS - 10164819), Shasta Co., California, USA
Occurrences (MRDS - 10188031), Fresno Co., California, USA
Occurrences (MRDS - 10189741), Shasta Co., California, USA
Occurrences (MRDS - 10231841), Shasta Co., California, USA
Occurrences (MRDS - 10261669), Nevada Co., California, USA
Oceana Co., Michigan, USA
Oceana, San Diego Co., California, USA
Ocean Beach, San Francisco, San Francisco Co., California, USA
Ocean Co., New Jersey, USA
Ocean Drilling Program Hole 903C, Upper continental slope of New Jersey, Atlantic Ocean
Ocean Drilling Program Hole 904A, Upper continental slope of New Jersey, Atlantic Ocean
Oceanic Mine, Cambria, Cambria-Oceanic District, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Oceanic Mine (San Luis Mine), Wilbur Canyon, San Luis Mts, Arivaca District (Las Guijas District), Las Guijas & San Luis Mts, Pima Co., Arizona, USA
Oceano Sand pit, Oceano, San Luis Obispo Co., California, USA
Oceano, San Luis Obispo Co., California, USA
Ocean Pond, Cabin Bluff deposit, Camden Co., Georgia, USA
Ocean Queen, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Oceanside, San Diego Co., California, USA
Oceanside, Tillamook Co., Oregon, USA
Ocean Spray, Uravan District, Montrose Co., Colorado, USA
Ocean Star Mine (Cooley), Washington District (Omega District), Nevada Co., California, USA
Oceanus Procellarum (Ocean of Storms), The Moon
Ocean View deposit, Hearst, Coastal Range, Mendocino Co., California, USA
Ocean View Mine (Mount Bishop), Pine Mountain deposit, Pine Mountain, Cambria, Cambria-Oceanic District, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Oceanview Mine (MS 6452; MS 6848; Ocean View mine), Chief Mountain, Pala, Pala District, San Diego Co., California, USA
Oceanview mine (Oceanview adits), Elizabeth R. Mine (Hazel W. claim), Chief Mountain, Pala, Pala District, San Diego Co., California, USA
Ocean Wave, Fremont Co., Colorado, USA
Ocean Wave Group, Hermosa District, Sierra Co., New Mexico, USA
Ocean Wave Mine, Cripple Creek District, Teller Co., Colorado, USA
Ocean Wave Mine, Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA
Ocean Wave Mine, Rosita District, Custer Co., Colorado, USA
Ocean Wave, Mt. Sneffels, Ouray Co., Colorado, USA
Oceola Mine, Sierra Co., California, USA
O C Group, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA
Ochee Springs Quarry (Johnston Soapstone Quarry), Johnston, Providence Co., Rhode Island, USA
Ocherbauer Inn, Steirisch-Tauchen, Friedberg, Styria, Austria
Ocher No. 33 Mine (American Pigment Corp. Mine), Pulaski Co., Virginia, USA
O Chhung, Môndól Kiri (Mondulkiri) Province, Cambodia
Ochiai Mine, Kohsai, Yamanashi Prefecture, Chubu Region, Honshu Island, Japan
Ochiaizawa deposit, Hanaoka mine, Odate, Akita prefecture, Tohoku region, Honshu Island, Japan
Ochidani mine, Hyogo Prefecture, Kinki Region, Honshu Island, Japan
Ochil Hills, Tayside (Perthshire), Scotland, UK
Ochlocknee Pit, Thomas Co., Georgia, USA
Ochlocknee, Thomas Co., Georgia, USA
Ochoco Agate Mining Claim (Tualatin Valley Gem Club), Crook Co., Oregon, USA
Ochoco Creek, Jefferson Co., Oregon, USA
Ochoco Hgihway Pit (MRDS - 10128610), Crook Co., Oregon, USA
Ochoco Highway Pit (MRDS - 10099021), Crook Co., Oregon, USA
Ochoco Highway Pit (MRDS - 10225193), Crook Co., Oregon, USA
Ochoco Mine (Ophir-Mayflower), Howard District (Ochoco District; Bolivar District), Crook Co., Oregon, USA
Ochoco Mtns., Crook Co., Oregon, USA
Ochopee Quarry, Collier Co., Florida, USA
Ochre No. 1 and Ochre No. 2, Butte Co., California, USA
Ochre Patent MS 2711 claim, Yavapai Co., Arizona, USA
Ochre Prospect, Alaska Peninsula District, Aleutians East Borough, Alaska, USA
Ochre Springs Prospects (Asarco), Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
Ochrwyth Mine, Risca, Caerphilly (Gwent; Monmouthshire), Wales, UK
Ochs Clay-Brown County Pit (Springfield Pit), Brown Co., Minnesota, USA
Ochsenalm, Mandling, Schladming, Styria, Austria
Ochsenberg, Wiestal reservoir, Hallein, Salzburg, Austria
Ochsenboden, Pirknergraben (Pirkachgraben), Pirkach, Oberdrauburg, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria
Ochsenfeld, Albrunhorn - Turbhorn area, Binn Valley, Wallis (Valais), Switzerland
Ochsenhütte (slag locality), Grane Reservoir, Goslar, Harz, Lower Saxony, Germany
Ochsenkopf, Bockau District, Aue, Erzgebirge, Saxony, Germany
Ochsenkopf, Fichtelberg, Fichtelgebirge, Franconia, Bavaria, Germany
Ochsenkopf, Rothenhammer, Breitenbrunn District, Erzgebirge, Saxony, Germany
Ochsenriegel, Moschkogel - Weinebene area, Koralpe, Carinthia, Austria
Ochsenschlucht, Dellach, Kötschach-Mauthen, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria
Ochsenstolln, Kippenhain Mine (Kippenhayn Mine), Schreckenberg, Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
Ochsen valley, Silvretta group, Montafon, Vorarlberg, Austria
Ochsner-Rotkopf massif, Zemmgrund, Ziller valley, North Tyrol, Tyrol, Austria
Ochtendung, Polch, Eifel, Rhineland-Palatinate, Germany
Ochtiná, Rožňava Co., Košice Region, Slovakia
Ochtinská aragonite cave, Ochtiná, Rožňava Co., Košice Region, Slovakia
Ocio, Álava, Basque Country, Spain
Ock Mine, Happy Camp, Klamath Mts, Siskiyou Co., California, USA
O & C Land, Lane Co., Oregon, USA
Ocna de Fier-Dognecea District, Banat Mts, Caras-Severin Co., Romania
Ocna de Fier (Vaskö-Moraviţa; Vaskö-Moravicza; Eisenstein), Ocna de Fier-Dognecea District, Banat Mts, Caras-Severin Co., Romania
Ocna Sibiului (Vizakna; Salzburg), Sibiu Co., Romania
Ocnele Mari, Vâlcea Co., Romania
Ocoee mine, Ducktown District, Polk Co., Tennessee, USA
Oconee Clay Products Company Pits, Floyd Co., Georgia, USA
Oconee Co., Georgia, USA
Oconee Co., South Carolina, USA
Oconee River, Baldwin Co., Georgia, USA
Oconee Rock Quarry (Oconee County Rock Crusher; Oconee Quarry), Oconee Co., South Carolina, USA
O'Connell Blue Gravel, San Andreas, Calaveras Co., California, USA
O'Connell Brothers, Santa Clara Co., California, USA
O'Connell group, Contact District, Elko Co., Nevada, USA
O'Connell Mine (Greenwalls property; O'Connell Ranch Mine; O'Connell Number 1; Greenwalt), Coyote, Coyote District, Diablo Range, Santa Clara Co., California, USA
O'Connell Placer Mine, Oak Bar, Monument Point, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
O'Connell Placer Mine, Trinity Co., California, USA
O'Connell prospect, Cloverdale, Sonoma Co., California, USA
O'Connells Kyanite Deposit, Broken Hill, Yancowinna Co., New South Wales, Australia
O'Connel Quarry (Loren Slaght), Crawford Co., Wisconsin, USA
O'Conner Mine, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA
O'Conner Prospect (Bunker Hill), Coeur d'Alene District, Shoshone Co., Idaho, USA
O'Conner (Sulfide Group; Farham Property), Pueblo District (Denio District), Harney Co., Oregon, USA
O'Connor Brothers prospect (North Elder Creek group), North Elder Creek, Tehama Co., California, USA
O'Connor Creek Mine, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
O'Connor Farm Quarries, Howard Co., Maryland, USA
O'Connor Mine, Santa Rosa, Sonoma Co., California, USA
O'Connor prospect, Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA
O'Connor Province, Tarija Department, Bolivia
Oconnor Quarry (Holm Brothers Construction Company), Goodhue Co., Minnesota, USA
O'Connor Ranch deposits (Mount Bishop Mine), Chorro, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
O'Connors Reef, Drummond North Gold Field, Victoria, Australia
O'Connor Township, Thunder Bay District, Ontario, Canada
Oconto County Limestone Quarry, Oconto Co., Wisconsin, USA
Oconto Co., Wisconsin, USA
Oco (Ocho) geode deposits, Três Pinheiros, Fountoura Xavier, Rio Grande do Sul, Brazil
Ocotal Mine (Otatal Mine), Topia, Mun. de Topia, Durango, Mexico
Ocotepeque Department, Honduras
Ocotes Mine, Eujutla de Crespo, Mun. de Eujutla de Crespo, Oaxaca, Mexico
Ocotes Mine, San Francisco Telixtlahuaca, Mun. de San Francisco Telixtlahuaca, Oaxaca, Mexico
Ocotes Mine, Tlalpujahua, San Pedro y San Pablo de Tlalpujahua District, Mun. de Tlalpujahua, Michoacan, Mexico
Ocotillo, Alamo Springs District, Kofa Mts (S.H. Mts), Yuma Co., Arizona, USA
Ocotillo, Imperial Co., California, USA
Ocotillo Mine group, Owl Head, Ocotillo, Alamo Springs District, Kofa Mts (S.H. Mts), Yuma Co., Arizona, USA
Ocotillo, San Diego Co., California, USA
Ocotillos Mine, Temascaltepec de González (Temascaltepec), Mun. de Temascaltepec, Mexico, Mexico
Ocotillo Wells, San Diego Co., California, USA
Ocotlán de Morelos, Mun. de Ocotlán de Morelos, Oaxaca, Mexico
Ocqueoc Limestone Exposure Prospect, Presque Isle Co., Michigan, USA
Octave - East of, Octave, Weaver District (Virginia District; Mocking Bird District), Weaver Mts, Yavapai Co., Arizona, USA
Octave Mine (Joker Mine; Bonanza Mine), Octave, Weaver District (Virginia District; Mocking Bird District), Weaver Mts, Yavapai Co., Arizona, USA
Octave, Weaver District (Virginia District; Mocking Bird District), Weaver Mts, Yavapai Co., Arizona, USA
Octavia Prospect, Carbon Co., Wyoming, USA
Octavio Pagnan, Morro da Fumaça, Santa Catarina, Brazil
October Adit (October Adit 7; 9; 10; 11), Uravan District, Mesa Co., Colorado, USA
October, Lamartine District, Clear Creek Co., Colorado, USA
Octopus mine, Rochester District, Pershing Co., Nevada, USA
Ocumpaugh, Uravan District, San Miguel Co., Colorado, USA
Ocuri, Chayanta Province, Potosí Department, Bolivia
Ocus Stanley's Mine, Fisher Mtn, Mt Ida, Montgomery Co., Arkansas, USA
O.D. 1 claim (USGS PP 1361 locality 990), Gold Basin District, White Hills, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Odah quarry, Nasik District, Maharashtra, India
Odalfältet, Garpenberg, Hedemora, Dalarna, Sweden
Odate, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Ödbach stream, Dorfer Öd, Schneiderau, Stubach valley, Hohe Tauern, Salzburg, Austria
Odda, Hardangervidda, Hordaland, Norway
Odda, Hordaland, Norway
Oddar Méanchey Province, Cambodia
Odden II Mine, Kvikne Mines, Kvikne, Tynset, Hedmark, Norway
Odden I Mine, Kvikne Mines, Kvikne, Tynset, Hedmark, Norway
Odden Prospect, Kvikne Mines, Kvikne, Tynset, Hedmark, Norway
Oddessa Quarry, Meriwether Co., Georgia, USA
Oddie tunnel, Bald Mountain District, White Pine Co., Nevada, USA
Odd West pegmatite, Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada
Ödegärde mine, Mellby, Eksjö, Småland, Sweden
Ødegården Apatite mines, Bamble (Bamle), Telemark, Norway
Ødegården Quarry, Bamble (Bamle), Telemark, Norway
Ødegårdsbukta, Brunlanes, Larvik, Vestfold, Norway
Ødegårdssletten, Ånnerud (Ånnerød), Våler, Østfold, Norway
Odegi, Nassarawa (Nasarawa) State, Nigeria
Odel Jones Mine, Stokes Co., North Carolina, USA
Odell Allanite Prospect, Madison Co., North Carolina, USA
Odell, Gage Co., Nebraska, USA
Odell Group, Mariposa Co., California, USA
Odell Prospect (D. W. Harris Prospect), Powell River District, Claiborne Co., Tennessee, USA
Ödemiş, Izmir Province, Aegean Region, Turkey
Oden-Hatfield Limestone (Oden Hatfield Deposit), Douglas Co., Oregon, USA
Ödenkar, Kreuzkogel massif, Naßfeld valley, Gastein valley, Hohe Tauern, Salzburg, Austria
Ödenlanisch (Ebenlanisch), Pölla valley, Hafner group, Hohe Tauern, Carinthia, Austria
Oden Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Odenville Copper Prospect (Susie May Hall; Page-Newton Place), St. Clair Co., Alabama, USA
Odenwald, Baden-Württemberg, Germany
Odenwald, Franconia, Bavaria, Germany
Odenwald, Hesse, Germany
Ödenwinkel area, Stubach valley, Hohe Tauern, Salzburg, Austria
Ödenwinkel glacier, Stubach valley, Hohe Tauern, Salzburg, Austria
Oder adit, Oder valley, St Andreasberg District, Harz, Lower Saxony, Germany
Oderay mine, Ayopaya Province, Cochabamba Department, Bolivia
Oderbrück, Braunlage, Harz, Lower Saxony, Germany
Oderin Island, Placentia Bay, Newfoundland, Newfoundland and Labrador, Canada
Odersberga kaolinite quarries, Fjälkestad, Kristianstad, Skåne, Sweden
Oderteich reservoir, Oderbrück, Braunlage, Harz, Lower Saxony, Germany
Oder valley, St Andreasberg District, Harz, Lower Saxony, Germany
Ödeshög, Östergötland, Sweden
Ödesjön Norra quarry, Tranås, Småland, Sweden
Ödesjön quarry, Tranås, Småland, Sweden
Odessa Craters, Odessa, Ector Co., Texas, USA
Odessa Mine, Calico-Odessa group, Calico, Calico District (Daggett District), Calico Mts (Calico Hills), San Bernardino Co., California, USA
Odessa Oblast', Ukraine
Odet river alluvials, Leuhan, Châteauneuf-du-Faou, Finistère, Brittany, France
Odet river alluvials, Tréflez, Trégourez, Coray, Finistère, Brittany, France
Odgers Mine, Crystal Falls, Menominee iron range, Iron Co., Michigan, USA
O. D. Gray Property, Union Co., Mississippi, USA
O. D. Gray Prospect, Union Co., Mississippi, USA
O. D. Grey Prospect, Pontotoc Co., Mississippi, USA
Odienné department, Denguélé region, Ivory Coast (Côte d'Ivoire)
Odie Prospect, Delta River District, Southeast Fairbanks Borough, Alaska, USA
Odikhincha massif, Maimecha and Kotui Rivers Basin, Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia
Odin Mine, Castleton, Derbyshire, England, UK
Odin Mine, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
Odin Mine (Odin Drift Mine), Nevada City, Nevada City District (Grass Valley District), Nevada Co., California, USA
Odin Mine, Summitville District (Summit District), Rio Grande Co., Colorado, USA
Odivelas, Ferreira do Alentejo, Beja District, Portugal
Odle claims, Mohave Co., Arizona, USA
Odoara, Kwara State, Nigeria
O'Doherty Mine, Globe-Miami District, Gila Co., Arizona, USA
Odom and Cheatham Lands No. 1 Prospect, Lewis Co., Tennessee, USA
Odom and Cheatham Lands No. 2 Occurrence, Lewis Co., Tennessee, USA
Odom Bank Occurrence, Lewis Co., Tennessee, USA
Odom's Mill, Talladega Co., Alabama, USA
O'Donnel and Mc Maniman's Quarry, Newton, Sussex Co., New Jersey, USA
O'Donnell Creek, Stocking Meadows, Shoshone Co., Idaho, USA
O'Donnell I deposit, Anglesea Township, Addington Co., Ontario, Canada
O'Donnell II deposit, Anglesea Township, Addington Co., Ontario, Canada
O'Donnell III deposit, Anglesea Township, Addington Co., Ontario, Canada
O'Donnell Mine, Tuolumne Co., California, USA
O'Donnell Opal Occurrence, Avon District (Mica Mountain District), Latah Co., Idaho, USA
O'Donnell Placer Mine, Hawkinsville, Klamath Mts, Siskiyou Co., California, USA
O'Donnells deposit, Torrington district, Gough Co., New South Wales, Australia
O'Donnells prospect, Torrington district, Gough Co., New South Wales, Australia
O'Donnel River, Atlin Mining Division, British Columbia, Canada
O'Donohue Castle Mine (O'Donoghue Castle Mine), Wooltana homestead area, North Flinders Ranges, Flinders Ranges, South Australia, Australia
O'Donovan Rosa Shaft, Leadville District, Lake Co., Colorado, USA
Odorheiu Secuiesc (Székelyudvarhely; Oderhellen), Harghita Co., Romania
ODP mound, Middle Valley, Juan de Fuca Ridge complex, East Pacific Rise, Pacific Ocean
Odra Mine (František Mine), Ostrava, Ostrava-Karviná Coal Area, Moravia-Silesia Region, Moravia (Mähren; Maehren), Czech Republic
Odry, Moravia-Silesia Region, Moravia (Mähren; Maehren), Czech Republic
Ödsbach Mine, Ödsbach, Oberkirch, Black Forest, Baden-Württemberg, Germany
Ödsbach, Oberkirch, Black Forest, Baden-Württemberg, Germany
O. D. Warren Prospect, Pike Co., Alabama, USA
O'Dwyers Mine, Rockhole area, South Alligator Valley Mineral Field, Northern Territory, Australia
Odzhuk pegmatite, Gissar Range, Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad), Tajikistan
Oederan, Freiberg District, Erzgebirge, Saxony, Germany
Oe-gun, Tokushima prefecture, Shikoku Island, Japan
Oegwi-myon, Kanggye-gun, North Pyongan Province, North Korea
Oehl Placer Claim, Riverside Co., California, USA
Oehrenstock (Öhrenstock), Langewiesen, Ilmenau District, Thuringian Forest, Thuringia, Germany
Oeiras, Lisboa District, Portugal
Oelkers Quarry, Wabasha Co., Minnesota, USA
Oelrichs, Fall River Co., South Dakota, USA
Oelsnitz, Vogtland, Saxony, Germany
Oe mine, Shimoda, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Oen, Øygarden, Hordaland, Norway
Oeschinen lake area, Kandersteg, Kander Valley, Bern, Switzerland
Oester Occurrence, Columbia Co., Oregon, USA
Oest Mine (Peter Oest Claim), Placer Co., California, USA
Oest mine, Silver City District, Lyon Co., Nevada, USA
Oetani mine (Ouetani mine), Kita-Kuwata-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Oeto Placer Mine, Nevada Co., California, USA
Oeyama Mine, Yosa-mura, Yoza-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
O'Fallon Mine, Cerbat, Cerbat District, Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Ofenbach, Lanzenkirchen, Industrieviertel, Lower Austria, Austria
Ofenhorn, Albrunhorn - Turbhorn area, Binn Valley, Wallis (Valais), Switzerland
Ofer Mine (Ophir Mine), Stateline District (Hamlin Valley), Iron Co., Utah, USA
Offenbach, Bischoffen, Dillenburg District, Hesse, Germany
Offenbacher Placer, Applegate District, Jackson Co., Oregon, USA
Offenbach valley, Hornberg, Black Forest, Baden-Württemberg, Germany
Offenburg, Black Forest, Baden-Württemberg, Germany
Offerdal, Krokom, Jämtland, Sweden
Offield Creek Mine, Port Clarence District, Nome Borough, Alaska, USA
Offield Diggins placer, White Cloud Mountain, Klamath Mts, Siskiyou Co., California, USA
Offield Mine, Hamburg, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
Offield Mountain, Klamath Mts, Siskiyou Co., California, USA
Offin & Reed Placer, El Dorado Co., California, USA
Offnerhütte, Ladinger Spitze - Speikkogel area, Saualpe, Carinthia, Austria
Offset Mine, Lake Los Angeles, Los Angeles Co., California, USA
Offshore Submarine Banks, San Diego Co., California, USA
Offutt Quarry, Baltimore Co., Maryland, USA
Oficarsa Quarry (Cerro de las Culebras), Carchelejo, Jaén, Andalusia, Spain
Oficina Alemania, Santa Catalina, Antofagasta Province, Antofagasta Region, Chile
Oficina Angela, Iquique Province, Tarapacá Region, Chile
Oficina Catalina, Taltal, Antofagasta Province, Antofagasta Region, Chile
Oficina Chacabuco, Antofagasta Region, Chile
Oficina Lautaro, Antofagasta Region, Chile
Oficina Maria Elena, Tocopilla Province, Antofagasta Region, Chile
Oficina Progreso, Iquique Province, Tarapacá Region, Chile
Oficina Santa Luisa, Canchas, Antofagasta Province, Antofagasta Region, Chile
Oficina Victoria, Iquique Province, Tarapacá Region, Chile
Oficina Virginia, Iquique Province, Tarapacá Region, Chile
Ofiki, Oyo State, Nigeria
O. F. Lode Occurrence, Elk Mountain District, Gunnison Co., Colorado, USA
O. F. Luttrell Prospect, Talladega Co., Alabama, USA
O. F. Martin Mine, Hog Heaven District (Flathead District), Flathead Co., Montana, USA
O. F. Patterson Mine, Alexander Co., North Carolina, USA
Oftedalsbakken, Lyngdal, Vest-Agder, Norway
Often Mine, Hassayampa District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Ofuji adit, Takanomine mine, Ibaraki Prefecture, Kanto Region, Honshu Island, Japan
Ofuku mine (Yamato mine), Mine city, Yamaguchi Prefecture, Chugoku Region, Honshu Island, Japan
Ofunato City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Of What Nos. 1 & 2 Mine, Meadow Lake District, Nevada Co., California, USA
Ogachi, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Ogaguchi mine, Otsuchi, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Ogaki mine, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Ogalla, Gold Hill District, Boulder Co., Colorado, USA
Ogalla, Keith Co., Nebraska, USA
Ogama-Rockland Au deposit, Rice Lake Gold District, Manitoba, Canada
Ogasawara Islands, Tokyo Prefecture, Japan
Ogata mine, Hoshino district, Fukuoka Prefecture, Kyushu Region, Japan
Ogawa mine, Mine City, Yamaguchi Prefecture, Chugoku Region, Honshu Island, Japan
Ogbomosho (Ogbomoso), Oyo State, Nigeria
Ogburn Pit (Fort Hill Construction Inc.), Brunswick Co., Virginia, USA
O & G Burrville Quarry (O & G No. 4 Quarry), Burrville, Torrington, Litchfield Co., Connecticut, USA
Ogden Bay Brine, Great Salt Lake Area, Weber Co., Utah, USA
Ogden Boilermakers Claim, Willard District, Wasatch Mts, Box Elder Co., Utah, USA
Ogden Branch Stone, Knott Co., Kentucky, USA
Ogden Canyon, Weber Co., Utah, USA
Ogden Mine (Horseshoe Mine; Lehigh Mine; Lehigh Valley Mine), Sparta Township, Sussex Co., New Jersey, USA
Ogden Mine, Ishpeming, Marquette iron range, Marquette Co., Michigan, USA
Ogden Mine, Moradillas (Moralíllo), Mun. de La Colorada, Sonora, Mexico
Ogden mine, Reese River District, Lander Co., Nevada, USA
Ogden Mountain, Liard Division, British Columbia, Canada
Ogden Mountain Occurrence, Powell Co., Montana, USA
Ogden Mountain Placer (Hopkins Placer), Big Blackfoot District (Helmville District), Powell Co., Montana, USA
Ogden Prospect, Cotopaxi District, Fremont Co., Colorado, USA
Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
Ogden, Weber Co., Utah, USA
Ogeechee Brick plant, Union Point, Greene Co., Georgia, USA
Ogee mine, Potosi District, Humboldt Co., Nevada, USA
Ogemaw Co., Michigan, USA
Ogie Mountain Mine, Santiam District (Elkhorn District), Clackamas Co., Oregon, USA
Ogilby, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Ogilby Group of Mines, Obregon, Cargo Muchacho District (Hedges District; Ogilby District), Cargo Muchacho Mts, Imperial Co., California, USA
Ogilvie, Cripple Creek District, Teller Co., Colorado, USA
Ogima Mine, Mass Consolidated Mine, Mass City, Ontonagon Co., Michigan, USA
Ogimi-son, Yanbaru region, Okinawa Island, Okinawa Prefecture, Nansei Archipelago, Kyushu Region, Japan
Ogi, Sado Island, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Ogiura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
Ogiyama mine, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Ogle Co., Illinois, USA
Ogle Mine, El Dorado Co., California, USA
Ogle occurrence, Duncan Springs, Coastal Range, Mendocino Co., California, USA
Ogle Property, Whitehall District (Cardwell District), Jefferson Co., Montana, USA
Ogle Quarry, Tillamook Co., Oregon, USA
Ogle Stone Quarry, Franklin Co., Indiana, USA
Oglethorpe Co., Georgia, USA
Oglethorpe Quarry Dirienzo, Oglethorpe Co., Georgia, USA
Oglethorpe Quarry, Oglethorpe Co., Georgia, USA
Oglethorpe Quarry Star Granite, Oglethorpe Co., Georgia, USA
Ogliastra Province, Sardinia, Italy
Ognevka Ta Deposit, Kalba Range, Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast'), Kazakhstan
Ogo-dour Cove, Mullion, Lizard Peninsula, Cornwall, England, UK
Ogofau Mine (Roman Deep Mine; Dolaucothi Mine; Cothy Mine), Pumpsaint, Carmarthenshire (Dyfed), Wales, UK
Ogof Owain Glyndwr, Moel Hebog, Beddgelert, Gwynedd (Caernarvonshire), Wales, UK
Ogoma No. 3 Placer, Silver Butte District (Vermillion District; Cabinet District), Sanders Co., Montana, USA
Ogonja Mine (Onganja Mine), Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia
Ogonja (Onganja), Seeis, Windhoek District, Khomas Region, Namibia
Ogooué-Ivindo Province, Gabon
Ogooué-Lolo Province, Gabon
Ogooué-Maritime Province, Gabon
Ogose mine (Neoi mine), Iruma-gun, Saitama Prefecture, Kanto Region, Honshu Island, Japan
Ogoya mine, Komatsu City, Ishikawa Prefecture, Chubu Region, Honshu Island, Japan
Ogre-Bogle group of claims (Tedford's group), Victorio District, Luna Co., New Mexico, USA
Ogrulca prospect, Murat Dagi, Kütahya Province, Aegean Region, Turkey
O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
Ogunimachi, Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Oguni mine, Yamagata, Kuji City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Ogura-Yamada, Nishikata, Tochigi City, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
O & G Woodbury Quarry (Orenaug Quarry; O & G No. 1 Quarry), Woodbury, Litchfield Co., Connecticut, USA
Ohakune, North Island, New Zealand
Ohakuri, Taupo, Tongariro, North Island, New Zealand
O'Hallorans Hill Prospect, Condobolin, Cunningham Co., New South Wales, Australia
Ohanapecosh Basalts, Lewis Co., Washington, USA
Ohanapecosh Basalts, Pierce Co., Washington, USA
Ohangwena Region, Namibia
O'Hara Mine, Calaveras Co., California, USA
O'Hara Mine (Franklin Mine), Sonora, Sonora District, Tuolumne Co., California, USA
O'Hara Prospect, Nizina District, Valdez-Cordova Borough, Alaska, USA
O'Hara Rock Source, Idaho Co., Idaho, USA
O'Hara shaft, Trigg Co., Kentucky, USA
O'Harco Ranch, Navajo Co., Arizona, USA
O'Harco Robinson prospect, Navajo Co., Arizona, USA
Ohari mine (Obari mine), Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Ohari, Miyagi Prefecture, Tohoku Region, Honshu Island, Japan
Ohatchee, Calhoun Co., Alabama, USA
Ohatchee Quarry, Calhoun Co., Alabama, USA
O'Haver claim, Cripple Creek, Cripple Creek District, Teller Co., Colorado, USA
O. H. Bassett Mine, Vaughn District (Rimini District), Lewis and Clark Co., Montana, USA
Ohbuki mine (Ofukiyama; Obukidani; Ohbukitani), Hinokage-cho, Miyazaki prefecture, Kyushu Region, Japan
Oh Cash Prospect, Warm Springs District (Warm Springs Creek District), Blaine Co., Idaho, USA
Ohgibira mine (Ogibira mine), Niimi City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Ohgidani deposit (Ogidani; Ougidani), Tobe, Ehime prefecture, Shikoku Island, Japan
Ohgiri adit (Ogiri adit), Shimotani deposits, Yanahara mine (Yanahara mining district), Misaki-cho, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Ohgushi mine, Ohgushi (Ogushi), Nishisonogi-gun, Nagasaki Prefecture, Kyushu Region, Japan
Ohgushi (Ogushi), Nishisonogi-gun, Nagasaki Prefecture, Kyushu Region, Japan
Ohgusoyama, Hamada City, Shimane Prefecture, Chugoku region, Honshu Island, Japan
Oh Henry No. 1, Castle Peak District (Uninta Basin), Duchesne Co., Utah, USA
Ohinata mine (Ouhinata mine), Minami-Saku-gun, Nagano Prefecture, Chubu Region, Honshu Island, Japan
Ohio and Buckeye Mine, Elk Creek District, Granite Co., Montana, USA
Ohio and Cologne Placer, Nevada Co., California, USA
Ohio and Colorado Quarry, Chaffee Co., Colorado, USA
Ohio and Indiana Stone Co. quarry, Greencastle, Putnam Co., Indiana, USA
Ohio and Morningstar, Monarch District, Chaffee Co., Colorado, USA
Ohio and Speculator Occurrence, Ontario District (Elliston District), Powell Co., Montana, USA
Ohio Belle, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Ohio Brush Creek, Belfast, Highland Co., Ohio, USA
Ohio Brush Creek, Folsum, Highland Co., Ohio, USA
Ohio Brush Creek, Jacksonville, Adams Co., Ohio, USA
Ohio Buckminster (Uptograph), Calaveras Co., California, USA
Ohio Caverns, West Liberty, Champaign Co., Ohio, USA
Ohio City, Gold Brick District, Gunnison Co., Colorado, USA
Ohio Claim, Alahambra District (Golconda District), Jefferson Co., Montana, USA
Ohio claim, Almanor, Almanor District, Plumas Co., California, USA
Ohio Claim, Colorado Group, Covada, Covada District (Enterprise District), Colville Indian Reservation, Ferry Co., Washington, USA
Ohio Claim, Oroville District, Okanogan Co., Washington, USA
Ohio Claims, Riverside Co., California, USA
Ohio Claim, Stehekin District, Chelan Co., Washington, USA
Ohio Co., Kentucky, USA
Ohio Copper Company (Erie; Columbia), Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA
Ohio Creek Mine No. 2, Gunnison Co., Colorado, USA
Ohio Creek Mine (Ohio Creek No. 1 Mine), Gunnison Co., Colorado, USA
Ohio Creek (Ohio Stream), Tararu, Thames-Coromandel, Waikato, North Island, New Zealand
Ohio Creek prospect, Tararu, Thames-Coromandel, Waikato, North Island, New Zealand
Ohio Diggings Mine (Mackey Ranch Mine), Jamestown, Jamestown District, Mother Lode belt, Tuolumne Co., California, USA
Ohio District, Bullion Canyon, Tushar Mts, Piute Co., Utah, USA
Ohio; Early Bird; Mayflower; Connors and Stevens Mine, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
Ohio Extension claim, Almanor, Almanor District, Plumas Co., California, USA
Ohio Fraction Quartz Lode Claim, South Boulder Creek District (Princeton District), Granite Co., Montana, USA
Ohio Giant Mine, Cienega District, Buckskin Mts, La Paz Co., Arizona, USA
Ohio - Indiana, Durango Area, La Plata Co., Colorado, USA
Ohio & Isle Royale Mine, Isle Royale National Park, Lake Superior, Keweenaw Co., Michigan, USA
Ohio - Keating Mine, Radersburg District (Cedar Plains District; Lone Mountain District), Broadwater Co., Montana, USA
Ohio, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Ohio & Marsaba Mines, Fresno Co., California, USA
Ohio Mine, "Amphitheater" glacial cirque, Ouray, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA
Ohio Mine (1), Clio, Plumas Co., California, USA
Ohio Mine (2), Argentine Rock, Genesee Valley District (Genesee District), Plumas Copper Belt, Plumas Co., California, USA
Ohio Mine (3), Argentine Rock, Genesee Valley District (Genesee District), Plumas Copper Belt, Plumas Co., California, USA
Ohio Mine (A. E. Linderman Property), Mineral Hill District, Blaine Co., Idaho, USA
Ohio Mine, Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Ohio Mine, Calaveras Co., California, USA
Ohio Mine, Deadman Canyon-California Gulch-Whitewater Canyon Area, Burro Mountains District, Grant Co., New Mexico, USA
Ohio Mine (Eagle), El Dorado Co., California, USA
Ohio mine, Gold Point District, Esmeralda Co., Nevada, USA
Ohio Mine, Jims Camp, Klamath Mts, Siskiyou Co., California, USA
Ohio Mine, Mariposa Co., California, USA
Ohio Mine (Ohio Lode), Tidal Wave District, Madison Co., Montana, USA
Ohio Mine, Park District (Whitecross District; Burrows Park District; Adams District), Hinsdale Co., Colorado, USA
Ohio mine, Pinos Altos District, Grant Co., New Mexico, USA
Ohio Mine, Rea Valley, Warner Creek-Halls Mountain District, Marion Co., Arkansas, USA
Ohio Mines (Imperial Mine; Webster Mine), Imperial Heights, Baraga Co., Michigan, USA
Ohio Mine, Soledad Canyon, Acton, Acton District, San Gabriel Mts, Los Angeles Co., California, USA
Ohio Mine (U S Steel Corp), Mesabi Range, St. Louis Co., Minnesota, USA
Ohio Placer, Calaveras Co., California, USA
Ohio Prospect, Cracker Creek District (Sumpter District; Bourne District; McCully District), Baker Co., Oregon, USA
Ohio Quartz Lode Claim, South Boulder Creek District (Princeton District), Granite Co., Montana, USA
Ohio Quartz, Silver Star District, Madison Co., Montana, USA
Ohio River alluvials, Florence, Switzerland Co., Indiana, USA
Ohio River alluvials, Neville Island, Neville Township, Allegheny Co., Pennsylvania, USA
Ohio River alluvials, New Martinsville, Wetzel Co., West Virginia, USA
Ohio River and Johnnie F. Placer, Mariposa Co., California, USA
Ohio River, Gallia Co., Ohio, USA
Ohio shaft, Tonopah District, Nye Co., Nevada, USA
Ohio Street, Marquette, Marquette Co., Michigan, USA
Ohio Sulphur Mining Company Mine (Proffit Mine; Old Pyrite mine), Proffit, Albemarle Co., Virginia, USA
Ohio Trap Rock Mine, Norwich, Ontonagon Co., Michigan, USA
Ohio Tungsten Mine, Gold Hill District, Boulder Co., Colorado, USA
Ohio Tunnel Company Placer, El Dorado Co., California, USA
Ohio Tunnel, Fulford District, Eagle Co., Colorado, USA
Ohio, USA
Ohio (Virginia; Arthur), Lower San Miguel District, San Miguel Co., Colorado, USA
Ohio, West Shasta Copper - Zinc District, Shasta Co., California, USA
Ohio, Whitehall District (Cardwell District), Jefferson Co., Montana, USA
Ohira, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Ohira Imazaki mine (Ohhira-Imazaki mine), Yoshinaga, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Ohiri mine, Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Ohisawa mine (Oizawa mine), Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Ohito, Shizuoka prefecture, Chubu region, Honshu Island, Japan
Ohkakiyama mine, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Ohkawame mine (Okawame mine), Kuji City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Ohkueyama (Okueyama), Miyazaki prefecture, Kyushu Region, Japan
Ohkuki mine (Okuki deposit), Ehime prefecture, Shikoku Island, Japan
Ohlbach Mine, Klein-Umstadt, Groß-Umstadt, Odenwald, Hesse, Germany
Ohle gravel pit, Groß Pampau, Schwarzenbek, Schleswig-Holstein, Germany
Ohlerking mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Ohligerzug Mine (Ohliger Zug Mine), Biersdorf, Herdorf, Siegerland, Rhineland-Palatinate, Germany
Ohline, Gold Hill District, Boulder Co., Colorado, USA
Ohman Mine (Nare Lease), Ralston Buttes District, Jefferson Co., Colorado, USA
Ohman prospect, Guy Hill pegmatite area, Jefferson Co., Colorado, USA
Ohmidani mine (Omidani mine), Shisou City, Hyogo Prefecture, Kinki Region, Honshu Island, Japan
Ohmi, Itoigawa City, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Ohmine mine (Omine mine), Tono City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Ohmi river (Ohmi-gawa), Ohmi, Itoigawa City, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Ohmori mine, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Ohnagusa mine (Onagusa), Teragohchi, Katsuyama, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Ohnari mine, Mineyama-cho, Naka-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Ohn-bin-ywe-htwet Mine (Coconut Tree Mine), Mogok Township, Pyin-Oo-Lwin District, Mandalay Division, Burma (Myanmar)
Ohngaing (Ohn Gaing; Ohn Kai), Mogok Township, Pyin-Oo-Lwin District, Mandalay Division, Burma (Myanmar)
Ohnmacht Cave (Ohmach Cave), Blue Marsh Lake, Bern Township, Berks Co., Pennsylvania, USA
Ohori mine (Ou'hori mine; Obori mine), Mogami, Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Öhrli, Säntis Massif, Appenzell-Innerrhoden, Switzerland
Ohro (Ōro; Ouro; Ooro), Naka-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Oh Saung Taung (Oak-Saung Taung; Oakssaung Hill; Phayar Taung), Le-O (Le U), Mogok Township, Pyin-Oo-Lwin District, Mandalay Division, Burma (Myanmar)
Ohsawaguchi, Daigo-machi, Ibaraki Prefecture, Kanto Region, Honshu Island, Japan
Ohsawa mine, Okutama-cho, Nishi-Tama-gun, Tokyo Prefecture, Kanto Region, Honshu Island, Japan
Ohtaki mine (Otaki), Nagano prefecture, Chubu region, Honshu Island, Japan
Ohtaki-mura, Chichibu-gun, Saitama Prefecture, Kanto Region, Honshu Island, Japan
Ohto mine, Tanabe City, Wakayama Prefecture, Kinki Region, Honshu Island, Japan
Ohtonen Quarry, Greenwood, Oxford Co., Maine, USA
OH Vein, Commodore Mine, Amethyst Vein, Creede District, Mineral Co., Colorado, USA
Ohya mine (Oya mine; Ohya quarry), Utsunomiya, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Oi-gun, Fukui Prefecture, Chubu Region, Honshu Island, Japan
Oil City area, Fresno Co., California, USA
Oil Creek Occurrence, Alaska Peninsula District, Kodiak Island Borough, Alaska, USA
Oil Creek Occurrence, Weston Co., Wyoming, USA
Oil-Dri - Fletcher-McGinnis Mine, Gadsden Co., Florida, USA
Oil-Dri Production Co. mine (Malone Hutchinson Stewart Mine), Ripley, Tippah Co., Mississippi, USA
Oil Dry Production Company, Lake Co., Oregon, USA
Oilfield Marble Prospect, Talladega Co., Alabama, USA
Oil Mountain No. 1 Occurrence, Fremont Co., Wyoming, USA
Oil Seep No. 8, Shootaring, Henry Mts, Garfield Co., Utah, USA
Oio Region, Guinea-Bissau
Oippe mine, Higashidori, Shimokita peninsula, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Oise, Picardie, France
Oisgill Bay, Dunvegan, Duirinish, Isle of Skye, North West Highlands (Inverness-shire), Scotland, UK
Oishida mine, Oishida, Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Oishida, Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Oishi mine, Yuda-machi, Waga-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Oistra, Lobniggraben, Bad Eisenkappel (Bad Eisenkappl), Karawanken, Carinthia, Austria
Oita prefecture, Kyushu Region, Japan
Oiwa orebody, Hamayokokawa mine (Hamayokogawa mine), Kami-Ina-gun, Nagano Prefecture, Chubu Region, Honshu Island, Japan
O'Jaco claim, Cameron District, Coconino Co., Arizona, USA
Ojai Gypsum Mine, Ojai, San Emigdio Mts, Ventura Co., California, USA
Ojaipee Mine, Doley Lake, Conger Township, Parry Sound District, Ontario, Canada
Ojai, San Emigdio Mts, Ventura Co., California, USA
Ojancos Mine, Ojancos Viejo district, Copiapó Province, Atacama Region, Chile
Ojancos Nuevo District, Tierra Amarilla, Copiapó Province, Atacama Region, Chile
Ojancos Viejo district, Copiapó Province, Atacama Region, Chile
Öja Quarry, Öja, Ystad, Skåne, Sweden
O. J. Cleveland Farm Placer, Quigley Area, Power Co., Idaho, USA
Ojén Iherzolite massif, Ojén, Málaga, Andalusia, Spain
Ojén, Málaga, Andalusia, Spain
Ojhar quarry complex, Nasik District, Maharashtra, India
Ojibwa, Sawyer Co., Wisconsin, USA
Ojibway, Keweenaw Co., Michigan, USA
Ojibway Mine, Ojibway, Keweenaw Co., Michigan, USA
Ojibway Mine, Windsor, Essex Co., Ontario, Canada
Ojiri Mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Ojito Mine, Tayoltita, San Dimas District, Mun. de San Dimas, Durango, Mexico
Ojo Alamo, San Juan Co., New Mexico, USA
Ojo Caliente, Mun. de Ojo Caliente, Zacatecas, Mexico
Ojo Caliente No. 1 District, Rio Arriba Co., New Mexico, USA
Ojo Caliente No. 2 District, Socorro Co., New Mexico, USA
Ojo Caliente Spring, Lower Geyser Basin, Yellowstone National Park, Park Co., Wyoming, USA
Ojo de Agua Mine, Guale, Mun. de Talpa de Allende, Jalisco, Mexico
Ojo de Agua vein, Santiago del Estero, Argentina
Ojo de Agua Veta Sur, Santiago del Estero, Argentina
Ojo de San Martin, Estacion Ojo Laguna, Mun. de Ahumada, Chihuahua, Mexico
Ojo de Tao, Valle de San Miguel, McKinley Co., New Mexico, USA
Ojojona, Tegucigalpa, Distrito Central, Francisco Morazán Department, Honduras
Ojo Laguna, Estacion Ojo Laguna, Mun. de Ahumada, Chihuahua, Mexico
O. Jones Mine, Fillmore Co., Minnesota, USA
Ojos Bonitos prospect, Yavapai Co., Arizona, USA
Ojos Espanoles Mine, General Lázaro Cárdenas (Lázaro Cárdenas; Colonia Lázaro Cárdenas), Mun. de Julimes, Chihuahua, Mexico
Ojos Negros iron mines, Ojos Negros, Teruel, Aragón, Spain
Ojo Vecino, Santa Elena, Linares-La Carolina District, Jaén, Andalusia, Spain
Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico
O. J. Wolcott Placer (Upper Wolcott; Lower Wolcott), Nevada Co., California, USA
Oka complex, Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada
Oka complex, Saint-Joseph-du-Lac, Deux-Montagnes RCM, Laurentides, Québec, Canada
Oka, Deux-Montagnes RCM, Laurentides, Québec, Canada
Okahandja District, Otjozondjupa Region, Namibia
Okaharau Range, Pakotai, North Island, New Zealand
Okahua, Otjiwarongo District, Otjozondjupa Region, Namibia
Okaihau quarry, Okaihau, Far North, Northland, North Island, New Zealand
Okains Bay, Banks Peninsula, Canterbury, South Island, New Zealand
Okakarara District, Otjozondjupa Region, Namibia
Okaloosa County Commissoners - South Baker Mine, Okaloosa Co., Florida, USA
Okami mine, Kunohe, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Okamuvia Farm 144, Windhoek District, Khomas Region, Namibia
OK and North Extension, Tuolumne Co., California, USA
O'Kane mine, Reese River District, Lander Co., Nevada, USA
Okanjande, Otjiwarongo District, Otjozondjupa Region, Namibia
Okan Mine, Gateway District, Mesa Co., Colorado, USA
Okano Department, Woleu-Ntem Province, Gabon
Okanogan Claim, Okanogan, Okanogan Co., Washington, USA
Okanogan Co., Washington, USA
Okanogan Free Gold Mine (Owasco Mine; Allison Mine), Oroville, Oroville District, Okanogan Co., Washington, USA
Oka Rare Metals mine, Oka complex, Saint-Joseph-du-Lac, Deux-Montagnes RCM, Laurentides, Québec, Canada
Okarundu, Okahandja District, Otjozondjupa Region, Namibia
Okataina, Rotorua, Bay of Plenty, North Island, New Zealand
Okatjimukuju Farm 55 (Friedrichsfelde Farm), Karibib District, Erongo Region, Namibia
Okatumba, Kaokoveld Plateau, Kunene Region, Namibia
Okavango Region, Namibia
Okaw Mine, San Bernardino Co., California, USA
Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Okay Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Okbang Mine, Punch'on, Gyeongsangbuk-do (Kyongsang-bukto; Gyeongsangbugdo), South Korea
O. K. Brickyard, Washington Co., Oregon, USA
OK Cu-Mo deposit, Powell River, Nanaimo Mining Division, British Columbia, Canada
Okedale, Flathead Co., Montana, USA
Okeechobee Co., Florida, USA
Okeechobee Pit, Palm Beach Co., Florida, USA
O'Keefe and Co prospect, Mount Rodd, Burnett Co., New South Wales, Australia
O'Keefe Occurrence, Pueblo District (Denio District), Harney Co., Oregon, USA
Okehampton area (Northern Dartmoor), Devon, England, UK
Okehampton Consols, Okehampton area (Northern Dartmoor), Devon, England, UK
O'Keith property, Randolph Co., Alabama, USA
Oke Khasa Mine, Oropeza Province, Chuquisaca Department, Bolivia
OK (Elder Occurrence), Lower San Miguel District, San Miguel Co., Colorado, USA
O'Kelly Prospect (Weissman Lease), Tulare Co., California, USA
Okel Tor Mine, Calstock, Calstock Area, Callington District, Cornwall, England, UK
Okene Mine, Okene, Kogi State, Nigeria
Okere, Kwara State, Nigeria
Oker Mine, Lewis and Clark Co., Montana, USA
Oker valley, Bad Harzburg, Harz, Lower Saxony, Germany
Oketo-cho, Tokoro-gun, Abashiri Province, Hokkaido, Japan
O.K. Extension property, Union Pass District (Katherine District), Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Okey Davis Mine, Fairplay District, Nye Co., Nevada, USA
Okfuskee Co., Oklahoma, USA
O.K. & Gold Bar Mine, Nevada City District (Grass Valley District), Nevada Co., California, USA
Okhmyl'k Mt, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
OK, Idaho Co., Idaho, USA
Okidaito-jima (Oki Daitou; Rasa-tou; Rasa island), Daito Islands, Okinawa Prefecture, Nansei Archipelago, Kyushu Region, Japan
Okiep Copper District, Namaqualand, Northern Cape Province, South Africa
Okiep Mine (O'Okiep Mine), Okiep Copper District, Namaqualand, Northern Cape Province, South Africa
Oki Islands, Shimane Prefecture, Chugoku Region, Japan
Okinawa Island, Okinawa Prefecture, Nansei Archipelago, Kyushu Region, Japan
Okinawa Prefecture, Nansei Archipelago, Kyushu Region, Japan
Okinawa Trough, Senkaku Islands (Diaoyudao Islands; Diaoyutai Islands), Okinawa Prefecture, Nansei Archipelago, Kyushu Region, Japan
Okinazawa Mine, Yuda-machi, Waga-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Okita mine, Daitoh, Higashiiwai-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Okium & Okium North Extension Mine (Oakum), Calaveras Co., California, USA
Okiura, Kuroishi City, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Okkampitiya, Moneragala District, Uva Province, Sri Lanka
Okku-gun, Jeollabuk-do (Cholla-pukto; Jeonrabugdo), South Korea
Oklahoma, Boulder Co., Colorado, USA
Oklahoma Mine (Oklahoma group; Troxel group; Troxel Mining property; Alto group; Vaughn property; Greenhaw group), Mineral Mountain area, Mineral Mountain District, Pinal Co., Arizona, USA
Oklahoma, USA
O K, Leadville District, Lake Co., Colorado, USA
Oklobondo Mine (Okélobondo Mine), Franceville, Haut-Ogooué Province, Gabon
OK Lode Gold & Silver, Hill City District, Pennington Co., South Dakota, USA
Oklo Mine, Franceville, Haut-Ogooué Province, Gabon
OK Mine, Central City District, Gilpin Co., Colorado, USA
O. K. Mine (Elkoro Mines), Jarbidge District, Elko Co., Nevada, USA
OK Mine, Erickson District (Black Crook District), Simpson Mts, Tooele Co., Utah, USA
OK mine, Marshall Canyon, Reese River District, Lander Co., Nevada, USA
O.K. Mine, Metaline, Metaline District, Pend Oreille Co., Washington, USA
OK Mine (Milford Pit), Beaver Lake District, Beaver Lake Mts, Beaver Co., Utah, USA
O.K. Mine (OK Copper Mine; OK Mine), Oroville, Oroville District, Okanogan Co., Washington, USA
O.K. Mine (O.K. group; O.K. claims; OK Mine), Gold Basin District, White Hills, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
O.K. Mine (OK Mine), Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
O.K. Mine (OK Mine), Johnson Camp, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA
O.K. Mine (OK Mine), Milford, San Francisco District (Frisco District), San Francisco Mts, Beaver Co., Utah, USA
O.K. Mine, San Gabriel Canyon, San Gabriel Mts, Los Angeles Co., California, USA
O.K. Mine (Storm King Consolidated), New Dale, Dale District, Pinto Mts, San Bernardino Co., California, USA
Ökna, Vetlanda, Småland, Sweden
O K No. 2 Lode Occurrence, Custer District, Custer Co., South Dakota, USA
O K No. 4 Lode Occurrence, Custer District, Custer Co., South Dakota, USA
Okok River Occurrence, Bering Sea District, Nome Borough, Alaska, USA
Okolona Quarry, Jefferson Co., Kentucky, USA
O. K. Olson Occurrence, Gilmore District (Texas District), Lemhi Co., Idaho, USA
O. K. Olson Prospect, Troy District, Latah Co., Idaho, USA
Okongava-Ost Farm 72, Karibib District, Erongo Region, Namibia
Okoppe mine, Shimokita peninsula, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Okoreka Mine, Silver Lake District, Deer Lodge Co., Montana, USA
Ökör Hill, Hollóháza, Zemplén Mts. (Tokaj Mts.), Borsod-Abaúj-Zemplén Co., Hungary
Okorogawa mine, Nikko City, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
Okoro Mines Inc., Callahan, Callahan District (Scott River District), Klamath Mts, Siskiyou Co., California, USA
Okorusu Mine (Okarusu Mine), Otjiwarongo District, Otjozondjupa Region, Namibia
Okoška Gora, Oplotnica (Oplotnitz), Slovenia
Okpilak River Occurrence, Canning District, North Slope Borough, Alaska, USA
O K Placer Mine, Shasta Co., California, USA
Okpo-myon, Talsong-gun, Gyeongsangbuk-do (Kyongsang-bukto; Gyeongsangbugdo), South Korea
O. K. Prospect, Coeur d'Alene District, Shoshone Co., Idaho, USA
O. K. prospect, Hilltop District, Lander Co., Nevada, USA
O.K. Prospect, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
OK prospect (O.K. Mine; Keough; OK claim), Kern Co., California, USA
O. K. Prospect, Riggins Area, Idaho Co., Idaho, USA
OK Prospect, San Bernardino Co., California, USA
O. K. Quarry (Oliver King Sand and Lime Company), Knox Co., Tennessee, USA
OK Ridge Limestone Deposit, Buffalo Co., Wisconsin, USA
Okrouhlá Radouň, Jindřichův Hradec okres, South Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Okružná, Prešov Co., Prešov Region, Slovakia
Oksanga jade mine, Chuncheon City, Gangwon-do (Kangwon-do; Gang'weondo), South Korea
Oksenøen, Råde, Østfold, Norway
Oksfjorddalen, Nordreisa, Troms, Norway
Øksfjord-Langfjord area, Øksfjord, Loppa, Finnmark, Norway
Øksfjord, Loppa, Finnmark, Norway
Øksnanuten, Høle, Sandnes, Rogaland, Norway
Øksne, Lier, Buskerud, Norway
Øksnes, Nordland, Norway
Oksøyekollen, Snarum, Modum, Buskerud, Norway
Ok Tedi Mine, Mount Fubilan, Star Mts, Western Province (Fly Province), Papua New Guinea
Oktibbeha Co., Mississippi, USA
Oktibbeha County meteorite, Oktibbeha Co., Mississippi, USA
Oktorkoy deposit, Oktorkoy ore district, Issyk-Kul'skaya Oblast, Kyrgyzstan
Oktorkoy ore district, Issyk-Kul'skaya Oblast, Kyrgyzstan
Oktyabrskaya pegmatite vein, Malkhan pegmatite field (Malchan), Krasnyi Chikoy, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Oktyabrskaya vein, Horní Slavkov uranium ore district, Horní Slavkov (Schlaggenwald), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Oktyabr'skoe Mo-U Deposit, Strel'tsovskoe Mo-U ore field, Krasnokamensk, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Oktyabr'skoe (Oktyabr'skoye; Oktyabr'sky) Cu-Ni deposit, Noril'sk, Putoran Plateau, Taimyr Peninsula, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia
Oktyabr'skoye Hg deposit, Tuva Republic, Eastern-Siberian Region, Russia
Oktyabr'skoye U Deposit, Kyzyltyube-Sai, Khodzhent (Leninabad), Viloyati Sogd (Viloyati Sughd; Viloyati Khodzhent; Viloyati Leninabad), Tajikistan
Okubo Mine, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
Okuchi mine (Oguchi mine), Okuchi city, Kagoshima Prefecture, Kyushu Region, Japan
Okumanza Hot Spring, Gunma Prefecture, Kanto Region, Honshu Island, Japan
Okumura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
Okunigiri, Sumita-cho, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
O. Kunnert Mine Reserve No. 1, Fillmore Co., Minnesota, USA
O. Kunnert Mine Reserve No. 2, Fillmore Co., Minnesota, USA
Okura deposit, Obira mine, Ono-gun, Oita prefecture, Kyushu Region, Japan
Okura mine, Minami-uonuma City, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Okushibetsu Mine, Kamishibetsu-mura, Tsuchikawe-gun, Hokkaido, Japan
Okushi mine, Nishisonogi-gun, Nagasaki Prefecture, Kyushu Region, Japan
Okushiri ridge, Sea of Japan, Pacific Ocean
Okutama-cho, Nishi-Tama-gun, Tokyo Prefecture, Kanto Region, Honshu Island, Japan
Okutama mine, Okutama-cho, Nishi-Tama-gun, Tokyo Prefecture, Kanto Region, Honshu Island, Japan
Okuyama mine, Shizuoka prefecture, Chubu region, Honshu Island, Japan
Okuyugawara, Yugawara, Kanagawa Prefecture, Kanto Region, Honshu Island, Japan
Okuzu mine, Tono City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Okzhetpes Ag-Au deposit, Kyzylkum Desert, Uzbekistan
Oladdie Mine, Johnburgh, South Flinders Ranges, Flinders Ranges, South Australia, Australia
Olaf Seim Mine (Gotland Mine; Broken Boot), Deadwood, Lawrence Co., South Dakota, USA
Olafsen Iron Mine, Huffs Church, Hereford Township, Berks Co., Pennsylvania, USA
Olagnol vein, Chazelles-Haut (Chazelle), Mercoeur, Haute-Loire, Auvergne, France
Olalla District, Douglas Co., Oregon, USA
Olalla, Osoyoos Mining Division, British Columbia, Canada
Olancha area, Inyo Co., California, USA
Olancha Lead No. 1, Lookout City, Lookout District (Modoc District), Argus Mts (Argus Range), Inyo Co., California, USA
Olancha, Owens Valley, Inyo Co., California, USA
Olancho Department, Honduras
Olanesti, Vâlcea Co., Romania
Olanga (Oulanka) River, Oulanka plutonic complex, Northern Karelia, Karelia Republic, Northern Region, Russia
Ola No. 8 Prospect, Gas Hills District, Fremont Co., Wyoming, USA
Olargues, Hérault, Languedoc-Roussillon, France
Ola Ridge, Ola, Gem Co., Idaho, USA
Olary, Olary Province, South Australia, Australia
Olary Province, South Australia, Australia
Olary Station, Olary Province, South Australia, Australia
Olav Kjebekk Quarry, Landsverk, Evje og Hornnes, Aust-Agder, Norway
Olavs Mine, Storwartz mine field, Røros copper mines, Røros, Sør-Trøndelag, Norway
Ölberg, Hundsangen, Westerwald, Rhineland-Palatinate, Germany
Ölberg, Königswinter, Siebengebirge, North Rhine-Westphalia, Germany
Ölberg Quarry, Schriesheim, Odenwald, Baden-Württemberg, Germany
Olbersleben, Weimar, Thuringia, Germany
Olbia, Olbia-Tempio Pausania Province, Sardinia, Italy
Olbia-Tempio Pausania Province, Sardinia, Italy
Olbramov, Nové Hrady, South Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
O. L. Bryan Prospect, Pike Co., Alabama, USA
Olcott Mine (Triangle Mine), Eclipse Mine group, Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Old 20 Mine (Carolina Mineral Company #20 Mine), Spruce Pine, Spruce Pine District, Mitchell Co., North Carolina, USA
Old 25 Pipe (Pipe No. 14), Kingsgate, Gough Co., New South Wales, Australia
Old 45 Pipe (Old 45; Sachs pipe; Pipe No. 64), Kingsgate, Gough Co., New South Wales, Australia
Old Abe claim, Contact District, Elko Co., Nevada, USA
Old Abe Claim, Nogal District, Lincoln Co., New Mexico, USA
Old Abe Mine, White Oaks District, Lincoln Co., New Mexico, USA
Old Adit body, Discovery Gulch, Iron Mountain No. 2 District, Sierra Co., New Mexico, USA
Old airport, Marquette, Marquette Co., Michigan, USA
Old Airport Road Pit, Gilliam Co., Oregon, USA
Old Alabama Mine (South Hill Cut), Gordon Co., Georgia, USA
Old Almond Mine, Antelope Springs (Wheeler Amphitheater), Millard Co., Utah, USA
Old Amber Mine, Dry Gulch District (York District), Lewis and Clark Co., Montana, USA
Old Ancient Mine, Randolph Co., Alabama, USA
Old Anderson Placer Mine, Butte Co., California, USA
Old and New Quarries, Talladega Co., Alabama, USA
Old and New Stewart Prospects, Cherokee Co., Alabama, USA
Old Antrim Shale quarry, Charlevoix Co., Michigan, USA
Old arsenic and nickel mine, Seymour, New Haven Co., Connecticut, USA
Old Aslak Mine, Neskilen Mines, Arendal Iron Mines, Arendal, Aust-Agder, Norway
Old Atlantis Mine, Bryant District (Hecla District), Beaverhead Co., Montana, USA
Old Atwater Mine, Upson Co., Georgia, USA
Old Bald Mountain Placer Mine, Sierra Co., California, USA
Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA
Old Baldy District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Old Baldy Group, Jefferson Co., Montana, USA
Old Baldy Mountain, Pierce Co., Washington, USA
Old Baldy placers (Madera Canyon placers), Madera Canyon, Old Baldy District, Santa Rita Mts, Pima Co., Arizona, USA
Old Baldy Prospect, Kern Co., California, USA
Old Baldy prospects, Littleshot Camp, Madera Canyon, Old Baldy District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Old Baldy tunnel, Coconino Co., Arizona, USA
Old Barag Banner (Chenba'erhu Co.), Hulunbuir League (Hulunbei'er Prefecture), Inner Mongolia Autonomous Region, China
Old Barton Pit (Clackamas County Old Barton), Clackamas Co., Oregon, USA
Old Bauxite Mine ("Metalleia"), Amorgos Island, Cyclade Islands (Cyclades; Kikladhes; Nomos Kikladhon), Kykládes Prefecture, Aegean Islands (Aiyaíon) Department, Greece
Old Beam Mine (Great Beam Mine), Bugle, Treverbyn, St Austell District, Cornwall, England, UK
Old Beecher quarry, Hillsboro, Highland Co., Ohio, USA
Old Bell Mine, Upson Co., Georgia, USA
Old Beneis Farm, Marlborough, Cheshire Co., New Hampshire, USA
Old Bennett Ore Body Occurrence (Major Creek Limonite Mine; Moffat Iron Mine No. 1), Blake District (Mirage District; Cotton Creek District), Saguache Co., Colorado, USA
Old Bergviks Mine, Alvekilen Fe Mines, Tromøy, Arendal, Aust-Agder, Norway
Old Berry Mine, Tallapoosa Co., Alabama, USA
Old Beskow Mines, Torsåker, Hofors, Gästrikland, Sweden
Old Bextrum Mine, Pajarito Peak area, Pajarito District (Nogales District), Pajarito Mts, Santa Cruz Co., Arizona, USA
Old Bigney Placer, Liberty, Swauk District, Kittitas Co., Washington, USA
Old Black Diamond, Mesa Co., Colorado, USA
Old Black Diamond mine, Bern township, Athens Co., Ohio, USA
Old Blaine No. 5 Mine, Colerain township, Belmont Co., Ohio, USA
Old Blue Grouse Mine, Blue Grouse Mountain, Deer lake, Stevens Co., Washington, USA
Old Blue Mine (Gladiator), Madera Co., California, USA
Old Bluestone claim, Gabbs District, Nye Co., Nevada, USA
Old Bobadah Mine, Nymagee, Flinders Co., New South Wales, Australia
Old Boise Stone Company Quarry, Shaw Mountain District, Ada Co., Idaho, USA
Old Bolt place (Lang Ranch), Streeter area, Mason Co., Texas, USA
Old Bonanza Mine, Johnson Basin District, Deer Lodge Co., Montana, USA
Old Bones Occurrence, Forest Glen Area, Trinity Co., California, USA
Old Bonnie Tunnel, Coconino Co., Arizona, USA
Old Boolcoomata Station, Olary Province, South Australia, Australia
Old Bow Iron Mine, Forest of Dean, Gloucestershire, England, UK
Old Boy Mine (Mathilde Mine), Goffs, Signal District (Vontrigger District), San Bernardino Co., California, USA
Old Brandley Mine, Catbells, Keswick District, North and Western Region (Cumberland), Cumbria, England, UK
Old Buckeye Bar Mine, Monument Point, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
Old Buffalo, Cedar Creek-Boat Creek-CPW District, Marion Co., Arkansas, USA
Old Building Stone Deposit (1), Aquia Creek, Stafford Co., Virginia, USA
Old Building Stone Quarry (2), Aquia Creek, Stafford Co., Virginia, USA
Old Bull mine, Harmony District, Humboldt Co., Nevada, USA
Old Butterfly Mine, Ophir District, San Miguel Co., Colorado, USA
Old Cabin Prospect, Hoover Wilderness, Mono Co., California, USA
Old Cabin Prospect, Snyder Group, South Boulder District, Madison Co., Montana, USA
Old Callanan Quarry, Albany Co., New York, USA
Old Callaway Prospect, Monroe Co., Georgia, USA
Old Campground prospect, Bullion District, Lander Co., Nevada, USA
Old Camp-Y-Pit, Clearwater Co., Idaho, USA
Old Cardinal Gem Mine, Franklin Co., North Carolina, USA
Old Carroll Mine (Bun Patterson Mine), Cleveland Co., North Carolina, USA
Old Casey, Central Illinois River District, Josephine Co., Oregon, USA
Old Chancey Consolidated (Last Chance; Old Chancey), Shasta District, Shasta Co., California, USA
Old Channel (Clays Bar), Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA
Old Channel Mine, Galice District, Josephine Co., Oregon, USA
Old Channel Placer (North Channel Mine; Old Rogue Channel Mine; High Channel Mine), Galice District, Josephine Co., Oregon, USA
Old Channel Placers (Blue Gravel; Leipold; California-Oregon; Dean & Dean; Dan Green; Ankeny; Old Channel; Star; Stratton Creek; Last Chance; High Channel), Galice District, Josephine Co., Oregon, USA
Old Chapel Quarry (J. C. Digges and Sons), Clarke Co., Virginia, USA
Old Chapman occurrence, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts (Mayacamas Mts), Sonoma Co., California, USA
Old Charles Mine, Micaville, Celo, Spruce Pine District, Yancey Co., North Carolina, USA
Old Charlie mine, Fourmile, Custer District, Custer Co., South Dakota, USA
Old Chelsea, Chelsea, Les Collines-de-l'Outaouais RCM, Outaouais, Québec, Canada
Old Chestnut Mountain Mine (Cook and Custer Mine), Chestnut Mountain, Franklin Co., Virginia, USA
Old Chicago Prospect, Hartville District, Goshen Co., Wyoming, USA
Old Chief Mine, Owl Head Buttes area, Owl Head District, Pinal Co., Arizona, USA
Old Childs Prospect, Lamar Co., Georgia, USA
Old Chink Placer, El Dorado Co., California, USA
Old Chippewa mine, Douglas Co., Wisconsin, USA
Old Cisler & Son's Brick Plant clay pit, Marietta, Washington Co., Ohio, USA
Old City Quarry (City Quarry), North Hill, Fairmont Park, Crestmore Quarries, Crestmore, Riverside Co., California, USA
Old Claim Mine, Fierro Manganese District, Hanover-Fierro District, Grant Co., New Mexico, USA
Old Clay Deposit N. of Solomons Island, Calvert Co., Maryland, USA
Old Cohutta Mine, Chatsworth, Murray Co., Georgia, USA
Old Colony Exploration Prospect, Calumet, Calumet Township, Houghton Co., Michigan, USA
Old Colony Mine (Colony Mine), Alleghany, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA
Old Columbia Mine, Lumpkin Co., Georgia, USA
Old Comanche Mine (Old Comanche prospect), Chloride, Chloride District, Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Old Combe Martin Mine, Combe Martin, North Devon, Devon, England, UK
Old Congo coal mine, Congo, Perry Co., Ohio, USA
Old Coocoran rush, Coocoran Opal Fields, Lightning Ridge, Finch Co., New South Wales, Australia
Old Copper Falls Fissure Mine, Copper Falls Mine, Copper Falls, Keweenaw Co., Michigan, USA
Old Copper Mine Prospect, Clay Co., Alabama, USA
Old Copper Show, Andamooka Ranges - Lake Torrens area, South Australia, Australia
Old Coso Mine, China Lake Naval Ordnance Test Station, Coso District (New Coso District), Coso Mts (Coso Range), Inyo Co., California, USA
Old Cottingham Mine (Cottingham No. 1), Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Old Country Road locality, Thomaston, Knox Co., Maine, USA
Old Crescent no. 3 mine, Crescent, Belmont Co., Ohio, USA
Old Crow, Eagle Creek District, Baker Co., Oregon, USA
Old Crow, Fremont District, Wayne Co., Utah, USA
Old Crow Occurrence, Greenback District (Upper Grave Creek District), Josephine Co., Oregon, USA
Old Crow occurrence, Monumental, Patrick Creek District, Klamath Mts, Del Norte Co., California, USA
Old Crow Prospect, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
Old Dad claim, Gold Butte District, Clark Co., Nevada, USA
Old Dad Mine, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Old Dad Mountain claim, Old Dad Mountain, Old Dad Mts, San Bernardino Co., California, USA
Old Dad Mountain deposit (Old Dad deposit; Riet; Reat), Old Dad Mts, San Bernardino Co., California, USA
Old Dad Mountain, Old Dad Mts, San Bernardino Co., California, USA
Old Dad Mts, San Bernardino Co., California, USA
Old Dalles Pit, Hood River Co., Oregon, USA
Old Dean mine (James Britton mine), Mercer Co., Kentucky, USA
Old Dell Robertson Prospect, Illinois - Kentucky Fluorspar District, Livingston Co., Kentucky, USA
Old Democrat mine, Chief District, Lincoln Co., Nevada, USA
Old Dependable Antimony Mine (Old Dependable Mine; Transportation Mines Inc. property), South Fork Canyon, Panamint Mts (Panamint Range), Death Valley National Park, Inyo Co., California, USA
Old Dewees Mine, Section 40, Terlingua, Terlingua District, Brewster Co., Texas, USA
Old D. H. and S. Mine (Stratman Mine), Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Old Diamond Pit, Coos Co., Oregon, USA
Old Dick Mine (American Mine), Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Old Diggings Placer Mine, Mariposa Co., California, USA
Old Discovery Placer (Boulder Placer; New Discovery Placer; Ruby Bar Placer), Ruby Creek, Whatcom Co., Washington, USA
Old Dixie Mine (Coalshire Coldshort), Rockbridge Co., Virginia, USA
Old Dixon Prospect, Rabbit Valley, Wayne Co., Utah, USA
Old Doane Copper Mine, Carbon Co., Wyoming, USA
Old Doe Mine, Little Rattlesnake Mountain, Klamath Mts, Del Norte Co., California, USA
Old Dollie, Fresno Co., California, USA
Old Domain Mine (Old Dominion Mine; Ortega), San Bernardino Co., California, USA
Old Dominion, Albemarle Co., Virginia, USA
Old Dominion Extension Mine (Denver group; Cuprite group; Nevada group; Stead group), Midland City, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Old Dominion Group (Unpatented Claims: Gold Nugget Nos. 1-3; Gold Nugget Group), Vallecito Creek Area, La Plata Co., Colorado, USA
Old Dominion Limestone Quarry, Globe, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Old Dominion Mine area, Globe, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Old Dominion Mine area, Old Dominion Mountain, Stevens Co., Washington, USA
Old Dominion Mine, Augusta Co., Virginia, USA
Old Dominion Mine, Old Dominion Mountain, Stevens Co., Washington, USA
Old Dominion Mine (Old Dominion shaft; Globe and Transit Mine; Old Dominion and United Globe Mine), Buffalo Hill, Old Dominion vein system, Globe, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Old Dominion Mine, Stokes District, Cassia Co., Idaho, USA
Old Dominion Mine, Tuolumne Co., California, USA
Old Dominion, Moose Lake District, Granite Co., Montana, USA
Old Dominion Mountain, Stevens Co., Washington, USA
Old Dominion Prospect, Flathead Co., Montana, USA
Old Dominion Pyrite Mine, Gold-Pyrite Belt, Louisa Co., Virginia, USA
Old Dominion Railway cut, Arlington Co., Virginia, USA
Old Dominion Soapstone Quarry, Old Dominion, Albemarle Co., Virginia, USA
Old Dominion vein system, Black Peak area, Copper Hill, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Old Dorsey farm, York township, Belmont Co., Ohio, USA
Old Dough claim, Caldwell Pines, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA
Old Dowdy Mine, Richmond Mountain, Gunnison Co., Colorado, USA
Old Dude Shaft, Macho District, Sierra Co., New Mexico, USA
Old Duke Quarry, Orange Co., North Carolina, USA
Old Dupont Mine, Wilkinson Co., Georgia, USA
Old Durgy Mine, Person Co., North Carolina, USA
Old Dutch Diggings, Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Old Dutchman Prospect, Bay Horse District, Custer Co., Idaho, USA
Old Dyke Mine, Bust-Up Mine, Cherokee Co., Alabama, USA
Old Eagle Mine (Stake Lease 3707), Owl Head Buttes area, Owl Head District, Tortolita Mts, Pinal Co., Arizona, USA
Old Eagle Mine, Trinity Co., California, USA
Old Edge vein, Eyam, Derbyshire, England, UK
Old Empire Mine, El Dorado Co., California, USA
Oldenburg Mine (Oldenberg), Galena District, Jo Daviess Co., Illinois, USA
Oldenburg, Schleswig-Holstein, Germany
Oldendorf Shale Deposit, Trempealeau Co., Wisconsin, USA
Oldenhoven, Groningen, Netherlands
Olden, Krokom, Jämtland, Sweden
Olden Mine (Eastern Star claim), Blewett, Blewett District (Peshastin District), Chelan Co., Washington, USA
Olden power station, Krokom, Jämtland, Sweden
Olden silver mine, Krokom, Jämtland, Sweden
Olden Township, Frontenac Co., Ontario, Canada
Oldenzaal, Overijssel, Netherlands
Olderog Creek, Arahura Valley, South Island, New Zealand
Old Evergreen Drain Tunnel (Lower Evergreen Drainage and Transportation Tunnel; Old Evergreen Mining and Tunneling Company), Big Cottonwood District, Wasatch Mts, Salt Lake Co., Utah, USA
Old Fairview mine, Barton, Belmont Co., Ohio, USA
Old Faithful and Little Bimbo Occurrence, Idaho Co., Idaho, USA
Old Faithful Group Mine, Idaho Primitive Area, Pistol Creek District, Valley Co., Idaho, USA
Old Faithful, Liberty Co., Montana, USA
Old Faithful Mine, Faithful Group, Baldy Mountain District, Beaverhead Co., Montana, USA
Old Faithful Mine, Miners Mountain District, Miners Mountain, Wayne Co., Utah, USA
Old Faithful Mining Group, Applegate District, Jackson Co., Oregon, USA
Old Faithful No. 1 Occurrence, Pueblo District (Denio District), Harney Co., Oregon, USA
Old Faithful No. 2 Prospect, Miners Mountain, Wayne Co., Utah, USA
Old Faithful Prospect, Jefferson Co., Montana, USA
Old Fall Level (Snail Beds Level), Ireshopeburn, Weardale, North Pennines, Co. Durham, England, UK
Old Federal Coal Co. mine, Broadwell, Bern township, Athens Co., Ohio, USA
Old Field Mine, Gold Hill District, Rowan Co., North Carolina, USA
Old Fields, Hardy Co., West Virginia, USA
Old Flamoga Mine, Twiggs Co., Georgia, USA
Old Flappy mine, Foxdale, Isle of Man
Old Fluorspar Mine, Slipfontein, Brits District, Western Bushveld Complex, Northwest Province, South Africa
Old Flushing Coal Co. mine, Flushing, Belmont Co., Ohio, USA
Old Follis Pits, Fayette Co., Tennessee, USA
Old Forge Magnetite Mine, Cranberry Magnetite District, Carter Co., Tennessee, USA
Old Fort Jones Mines, Gottsville, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
Old Fort Lane claim, Gold Hill District, Jackson Co., Oregon, USA
Old Fort, McDowell Co., North Carolina, USA
Old Fortner Branch Occurrence (Old Dam Prospect), Powell River District, Claiborne Co., Tennessee, USA
Old Foxdale Mine, Foxdale, Isle of Man
Old France Stone Co. Holland quarry, Monclava, Lucas Co., Ohio, USA
Old France Stone Co. quarry, Bascom, Seneca Co., Ohio, USA
Old France Stone Co. quarry, Luckey, Troy Township, Wood Co., Ohio, USA
Old Francis Lake Trail Occurrence, Wallowa Range District, Wallowa Co., Oregon, USA
Old Fuller Earth Mine, Clarke Co., Alabama, USA
Old Furnace Mine, High Bridge, High Bridge Township, Hunterdon Co., New Jersey, USA
Old Gang Mines, Reeth, Swaledale, North Pennines, North Yorkshire, England, UK
Old Gibbs Mine (Washout; Gibbs Clay Mine; Bland), Celo, Spruce Pine District, Yancey Co., North Carolina, USA
Old Glades Road Deposit, Amherst Co., Virginia, USA
Old Glencrieff Vein, Wanlockhead, Dumfries & Galloway (Dumfries-shire), Scotland, UK
Old Globe Mine, Globe, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Old Glory Claim, Colusa Co., California, USA
Old Glory claim, Hilton Mines (Hilton Mine group; Hiltano group; Hiltano & State of Maine group), Copper Camp, Hilton (Lead Mountain), Empire District, Empire Mts, Pima Co., Arizona, USA
Old Glory Claim (Last Chance Prospect; Last Chance Spar-Mica Dyke Prospect), Turret District, Chaffee Co., Colorado, USA
Old Glory claim, Seeley group, Chorro, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Old Glory Claim, Wasco Hill, Park City District, Colville Indian Reservation, Okanogan Co., Washington, USA
Old Glory Creek Mine, Fairhaven District, Northwest Arctic Borough, Alaska, USA
Old Glory, Fern Creek, Mono Co., California, USA
Old Glory Hole, Big Horn Co., Wyoming, USA
Old Glory; Last Chance Mine, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
Old Glory Mine, Arivaca District (Las Guijas District), Las Guijas & San Luis Mts, Pima Co., Arizona, USA
Old Glory Mine (C. B. Jacobs deposit; Argosy), San Bernardino Co., California, USA
Old Glory Mine group, Ruby, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Old Glory Mine, Illinois River District, Josephine Co., Oregon, USA
Old Glory Mine, Melrose District, Silver Bow Co., Montana, USA
Old Glory Mine, Old Glory Mine group, Ruby, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Old Glory Mine, Pryor Mountains, Carbon Co., Montana, USA
Old Glory mine (Tripp pit), Tripp-Veteran pit, Robinson District, White Pine Co., Nevada, USA
Old Glory Mine (upper workings); American Eagle, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
Old Glory Mine, Volcano District, Elmore Co., Idaho, USA
Old Glory Mountain, Park City District, Colville Indian Reservation, Okanogan Co., Washington, USA
Old Glory North Iron Deposit, Melrose District, Silver Bow Co., Montana, USA
Old Glory Occurrence, Fairhaven District, Northwest Arctic Borough, Alaska, USA
Old Glory (Peg Leg), San Bernardino Co., California, USA
Old Glory Prospect (Bliss; Old Bliss), Warm Springs District (Gilt Edge District; Gold Hill District; Maiden District), Fergus Co., Montana, USA
Old Glory prospect, Permian copper deposits, Stonewall Co., Texas, USA
Old Glory-Seattle Creek; Leslie Prospect, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
Old Godfrey Quarry, Kent Co., Michigan, USA
Old Gold, Cripple Creek District, Teller Co., Colorado, USA
Old Gold Lode Claim, Sixes River District, Coos Co., Oregon, USA
Old Gold Mine, Idaho District, Clay Co., Alabama, USA
Old Gold Mines (MRDS - 10260448), Inyo Co., California, USA
Old gold pit, Baraga Co., Michigan, USA
Old Gold Placer Mine, Sierra Co., California, USA
Old Gold Prospect, Valdez Creek District, Matanuska-Susitna Borough, Alaska, USA
Old Goose Creek Quarry (Arlington Stone Company Quarry; Belmont Quarry), Leesburg, Loudoun Co., Virginia, USA
Old Gordon Place Deposit (Crews Prospect), Monroe Co., Mississippi, USA
Old Granby Mine, Mount Hersey, Mount Hersey-Lower Cave District, Newton Co., Arkansas, USA
Old Grandad Mine (Bonnie Bell), Sawtooth District, Blaine Co., Idaho, USA
Old Grandad Mine (Chaparral Hill Mine), Chaparral Hill, Fort Jones, Oro Fino District, Klamath Mts, Siskiyou Co., California, USA
Old Grandad, Uravan District, Montrose Co., Colorado, USA
Old Grandma group, Havilah, Clear Creek District, Kern Co., California, USA
Old Gravel Mine, El Dorado Co., California, USA
Old Gray Mine, Railroad Flat, Railroad Flat District, Calaveras Co., California, USA
Old Greensand-Diatomaceous Earth Pit, Calvert Co., Maryland, USA
Old Greenshields mine (Nayes mine; Beaudoin mine), Saint-Joseph-de-Coleraine, Les Appalaches RCM, Chaudière-Appalaches, Québec, Canada
Old Grindstone Prospect, Inyo Co., California, USA
Old Gruno Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Old Guard Mine (Royal Guard Mine), Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
Old Gunnislake Mine, Gunnislake Area, Callington District, Cornwall, England, UK
Old Hadley (Graphic) Mining District, Cooks Peak District (Cooke's Peak District), Luna Co., New Mexico, USA
Old Hag Mine, Hag Mine ore field, Hedemora, Dalarna, Sweden
Old Hag prospect #1, Van Dam Peak, Poway, San Diego Co., California, USA
Old Hag prospect #2, Van Dam Peak, Poway, San Diego Co., California, USA
Old Halt Mine, Washington Co., Utah, USA
Oldham Co., Kentucky, USA
Oldham Crushed Stone, Rogers Group Inc., Brownsboro, Oldham Co., Kentucky, USA
Old Ham Mine (Clearwell Caves), Forest of Dean, Gloucestershire, England, UK
Oldham prospects, Placer Creek, Red River District, Taos Co., New Mexico, USA
Oldham Road, Kansas City, Jackson Co., Missouri, USA
Old Hancock Pit, Hardeman Co., Tennessee, USA
Old Happy, Uravan District, Montrose Co., Colorado, USA
Old Harbor Prospect, Kodiak District, Kodiak Island Borough, Alaska, USA
Old Harper Quarry, Elbert Co., Georgia, USA
Old Harrigal Kaolin Mine, Aiken Co., South Carolina, USA
Old Hartman Mine (Hartman Mine), Friedensville, Saucon Valley, Upper Saucon Township, Lehigh Co., Pennsylvania, USA
Old Hat Mine, Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pinal Co., Arizona, USA
Old Henderson and Fryer Placer, El Dorado Co., California, USA
Old Henery Occurrence (Henry Claim), Bohemia District (Champion District), Lane Co., Oregon, USA
Old Henry Kerns Place Prospect, Frederick Co., Virginia, USA
Old Henry Mine, West Point, West Point District, Calaveras Co., California, USA
Old Henry Placer, Nevada Co., California, USA
Old Hickles property, Ajo District, Pima Co., Arizona, USA
Old Hickory Brick Number 1 Pit, Loudon Co., Tennessee, USA
Old Hickory Clay No. 1 Pit (Volunteer and Thomas Pits), Weakley Co., Tennessee, USA
Old Hickory Clay No. 2 Pit (McClain Pit), Weakley Co., Tennessee, USA
Old Hickory Clay No. 3 Pit, Weakley Co., Tennessee, USA
Old Hickory Mine, Copper Mountain, Republic, Republic District, Ferry Co., Washington, USA
Old Hickory Mine, El Dorado Co., California, USA
Old Hickory Mine, Hickory, Graves Co., Kentucky, USA
Old Hickory Mine, Rocky District, Rocky Range, Beaver Co., Utah, USA
Old Hickory Prospect, Dinwiddie Co., Virginia, USA
Old Hickory Prospect, Gallinas Mts, Red Cloud District, Lincoln Co., New Mexico, USA
Old highway 95 Roadcut, McKinzie Creek (McKenzie Creek), Idaho Co., Idaho, USA
Old Highway Mine, Kings Creek District, Cherokee Co., South Carolina, USA
Old Highway Shale Prospect, Christian Co., Kentucky, USA
Old Highway US 6 and Dove Springs Road, Ricardo, Kern Co., California, USA
Old Hill prospect, Oxbow Estates, Payson District (Green Valley District), Gila Co., Arizona, USA
Old Hogem, Omenica Mining Division, British Columbia, Canada
Old Hollow Mine, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Old Home Placer, Tuolumne Co., California, USA
Old Homestead Mine, Jicarilla District, Lincoln Co., New Mexico, USA
Old Hopeful and New Occurrence, Pueblo District (Denio District), Harney Co., Oregon, USA
Old Hopkins Mine (Buster Mine; Buster MS 2091 Patented claims), Prescott quadrangle, Yavapai Co., Arizona, USA
Old Horse Springs, Catron Co., New Mexico, USA
Old Houston Mine, Grass Valley, Nevada City District (Grass Valley District), Nevada Co., California, USA
Old Huffman quarry, Carey, Wyandot Co., Ohio, USA
Old Humboldt prospect, Battle Mountain District, Lander Co., Nevada, USA
Old Hundred, Animas District, San Juan Co., Colorado, USA
Old Hundred Placer Mine, Jackson Peak, Klamath Mts, Siskiyou Co., California, USA
Old Hurricane Church Prospect, Hardin Co., Tennessee, USA
Old Ida Blende Mine (Ida-Blende Mine; Ida; Blende), Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Old Independence Occurrence, Box Canyon District, Gunnison Co., Colorado, USA
Old Indian Mine (F. J. Ward), East Shasta Copper - Zinc District, Shasta Co., California, USA
Old Indian Mine (Hansen Mine ?), Bowerman Peak, Klamath Mts, Siskiyou Co., California, USA
Old Irish Republic prospect, Frazier Mountain, Frazier Park area, Frazier Mountain District (Fraser Mountain District), Sespe Frazier Roadless Area Review & Evaluation (RARE) II Area, San Emigdio Mts, Ventura Co., California, USA
Old Iron Mines, Dickson Co., Tennessee, USA
Old iron mine, Thendara, Town of Webb, Herkimer Co., New York, USA
Old Ironsides Claim, Skeleton Creek District, Camas Co., Idaho, USA
Old Ironsides mine, Breckenridge District, Summit Co., Colorado, USA
Old Ironsides Mine (Colorado-Deadwood Mine), Spearfish, Trojan District, Lawrence Co., South Dakota, USA
Old Ironsides Mine, Orient District, Saguache Co., Colorado, USA
Old Ironsides prospect, Mesa Grande, Mesa Grande District, San Diego Co., California, USA
Old Jack Mine, La Posa District (Wellton District; Wellton Hills District), Wellton Hills-Copper Mts, Yuma Co., Arizona, USA
Old Jackson Tunnel Prospect, Ruby Creek District, Clearwater Co., Idaho, USA
Old Jasper, El Dorado Co., California, USA
Old Jimbo Bob Mine, Big Indian District (Big Indian Wash - Lisbon Valley Area), San Juan Co., Utah, USA
Old Jim Mine, Marion, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Old J. L. Allen Prospect, Madison Co., Tennessee, USA
Old Joe group (Patented claims MS 1263), Yavapai Co., Arizona, USA
Old Joe Mine (Mount Jefferson Lodge Group), Mineral Hill District (Pony District), Madison Co., Montana, USA
Old Joe Prospect, San Bernardino Co., California, USA
Old John Lowry Property, Winston Co., Mississippi, USA
Old Johnson Lode Prospect, Middle Fork District, Lemhi Co., Idaho, USA
Old Jolly Place, Love Valley, Iredell Co., North Carolina, USA
Old Jonah Mine (Gold Nugget Mine; Loss Brothers claims), Chuichu area, Silver Reef Mountains, Tat Momoli Mts, Silver Reef District, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA
Old Jonan Mine, Greene Wash area, Chuichu area, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA
Old Jordan Mine 1863 (U. S. Mining Company 1899), Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA
Old Judge Mine, El Dorado Co., California, USA
Old Jupiter Mine (Jupiter Mine; Jupiter Consolidated Mine), Grizzly Flat, Iowa Hill area, Iowa Hill District, Placer Co., California, USA
Old Kanaka Mine, Swiss Bar, Klamath Mts, Siskiyou Co., California, USA
Old Kentuck Deposit, Burgdorf District, Idaho Co., Idaho, USA
Old Kentuck (Silver Lode; Silver Chief), Philipsburg District (Flint Creek District), Granite Co., Montana, USA
Old Kentucky, Apex District, Gilpin Co., Colorado, USA
Old Kentucky, Red Mountain District, Ouray Co., Colorado, USA
Old Kernville, Cove District, Kern Co., California, USA
Old Kibbe Shaft Occurrence, Telluride District, San Miguel Co., Colorado, USA
Old Kilpatrick, Strathclyde (Dunbartonshire), Scotland, UK
Old Kilton Quarry, Grafton, Grafton Co., New Hampshire, USA
Old Laguna, Cibola Co., New Mexico, USA
Old lake shorelines, Death Valley, Death Valley National Park, Inyo Co., California, USA
Old Lake Shore quarry, Kelleys Island, Lake Erie, Erie Co., Ohio, USA
Old Lead Mine, Angel District, Calhoun Co., Alabama, USA
Old lead mine, Brookfield, Fairfield Co., Connecticut, USA
Old Ledoux Tin Prospects, Kings Mountain District, Cleveland Co., North Carolina, USA
Old Lee Goodman Prospect, Amelia Co., Virginia, USA
Old Lemroe Deposit, Elk City District, Idaho Co., Idaho, USA
Old Leopold Hill, Fitzroy Crossing, Western Australia, Australia
Old L'Etacq Quarry, St Ouen, Jersey, Channel Islands
Old Leyden Mine, Foothill District, Jefferson Co., Colorado, USA
Old Liberty Group, Squaw Creek District, Gem Co., Idaho, USA
Old lime quarries, Littleton, Middlesex Co., Massachusetts, USA
Old Limestone Quarry, Door Co., Wisconsin, USA
Old Little mine, Garfield District, Mineral Co., Nevada, USA
Old Load Mine, Fairview, Georges Creek-Jimmie Creek District, Marion Co., Arkansas, USA
Old Loebs quarry, Whitehouse, Lucas Co., Ohio, USA
Old Log Cabin Placer Mine, Placer Co., California, USA
Old Lout Mine, Poughkeepsie Gulch, Red Mountain District, San Juan Co., Colorado, USA
Old Ludington Mine, Menominee iron range, Dickinson Co., Michigan, USA
Old Luganure mine, Glendasan, Co. Wicklow, Ireland
Old Luster lode, South Platte Pegmatite District, Jefferson Co., Colorado, USA
Old Lutz Prospect, Cleveland Co., North Carolina, USA
Old Lyme, New London Co., Connecticut, USA
Old Lyon prospect, Yavapai Co., Arizona, USA
Old Mack, Middle Fork Judith RARE II Area, Yogo, Judith Basin Co., Montana, USA
Old Macon Mining Company Mine, Twiggs Co., Georgia, USA
Old Madison Stone Co. quarry, West Jefferson, Madison Co., Ohio, USA
Old Maid Mine, Dexter Creek, Paquin District, Ouray Co., Colorado, USA
Old Maid Mine, Plomosa District, Plomosa Mts, La Paz Co., Arizona, USA
Old Maids quarry, Woonsocket, Providence Co., Rhode Island, USA
Old Man Breccia Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA
Old Man Diorite Prospect, Yentna District, Matanuska-Susitna Borough, Alaska, USA
Old Man Hat prospect, Gibraltar Range National Park, Drake Co., New South Wales, Australia
Old Man Mine, Fleming District, Grant Co., New Mexico, USA
Old Man Mine, Lower San Miguel District, San Miguel Co., Colorado, USA
Oldman Mining Company Prop Occurrence, Bear Lodge District, Crook Co., Wyoming, USA
Old Man of the Mountains Mine (Melville; M. M. Mine), Plaskett, Los Burros District, Santa Lucia Mts (Santa Lucia Range), Monterey Co., California, USA
Old Man ore body, Iron Mountain Mine, Iron Mountain, Iron Mountain [town], West Shasta Copper - Zinc District, Shasta Co., California, USA
Oldman Ranch, Carbon Co., Wyoming, USA
Old Man's Creek, Harrisonville, Gloucester Co., New Jersey, USA
Old Marble quarry, Lewisburg, Preble Co., Ohio, USA
Old Marble quarry, Needles, Custer Co., South Dakota, USA
Old Mass Mine, Ontonagon Co., Michigan, USA
Old Mayflower Mine, Bingham District, Oquirrh Mts, Utah Co., Utah, USA
Old Mays Place Prospect (Hughes Bank), Lewis Co., Tennessee, USA
Old McCoy, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA
Old McDermott Farm Prospect, Louisa Co., Virginia, USA
Old McGregor & Old McGregor No. 2, Calaveras Co., California, USA
Old McKenny Mine, Calaveras Co., California, USA
Old McKinley Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Old Mendota Copper Mine, Lac La Belle, Keweenaw Co., Michigan, USA
Old Mexican Group, Sierra Co., California, USA
Old Mexico, Mono Co., California, USA
Old Mexico Prospect, Uravan District, San Miguel Co., Colorado, USA
Old Miami Stone quarry, Liberty township, Delaware Co., Ohio, USA
Old Middlehope Mine, Ireshopeburn, Weardale, North Pennines, Co. Durham, England, UK
Old Middleman Occurrence (Part of The Columbia Group; Ralph Vein), Cracker Creek District (Sumpter District; Bourne District; McCully District), Baker Co., Oregon, USA
Old Mike mine (Great Northern; Old Mike M.S.2212), Custer, Custer District, Custer Co., South Dakota, USA
Old Millclose Mine, Matlock, Derbyshire, England, UK
Old Miller Occurrence (Slim Jim Mines), Lewis and Clark Co., Montana, USA
Old Mill, Inyo Co., California, USA
Old Mill mine, Bullion District, Lander Co., Nevada, USA
Old Mill Placer Mine, Dougherty Bluff, Klamath Mts, Siskiyou Co., California, USA
Old Mill Road Quarry (Dog Pound Quarry), Oamaru, Otago, South Island, New Zealand
Old Mill, Saddle Mountain District, The Tablelands Mts, Pinal Co., Arizona, USA
Old Mine, Cerro Blanco Mts, Pima Co., Arizona, USA
Old Mine, Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA
Old Mine, Great Orme, Llandudno, Conwy (Gwynedd; Caernarvonshire), Wales, UK
Old Mine Park (Lane’s Mine of Trumbull; Hubbard Mine; Long Hill Mine; Old Tungsten Mine), Trumbull, Fairfield Co., Connecticut, USA
Old Mine Plaza construction site, Trumbull, Fairfield Co., Connecticut, USA
Old Mines area, Washington Co., Missouri, USA
Old mines, Dadeville, Dade Co., Missouri, USA
Old mines, Elk township, Noble Co., Ohio, USA
Old mines, Maynard, Belmont Co., Ohio, USA
Old Mines (MRDS - 10129493), Dickson Co., Tennessee, USA
Old Mine Terrace prospect #1, Cahuilla Mountain (Coahuila Mtn), Cahuilla, Cahuilla District, Riverside Co., California, USA
Old Mine Terrace prospect #2, Cahuilla Mountain (Coahuila Mtn), Cahuilla, Cahuilla District, Riverside Co., California, USA
Old Mine Trail prospect, Cahuilla Mountain (Coahuila Mtn), Cahuilla, Cahuilla District, Riverside Co., California, USA
Old Mine Workings (MRDS - 10070375), Fort Hall District, Bannock Co., Idaho, USA
Old Mint Mine, Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Old Mission Mine (Old Bat Mine), Amole District, Tucson Mts, Pima Co., Arizona, USA
Old Missouri Prospect, Custer District, Custer Co., South Dakota, USA
Old Monroe Pit, Madison Co., Tennessee, USA
Old Montana Placer (Idaho; Montana; Sacajawea), Tenmile District, Idaho Co., Idaho, USA
Old More Shaft Prospect, Junction District (Little Eightmile District), Lemhi Co., Idaho, USA
Old Morgan Bar placer, Cascade, Plumas Co., California, USA
Old Moulds Mine, Langthwaite, Arkengarthdale, North Pennines, North Yorkshire, England, UK
Old Mountain Mines, Londonderry Mines (Acadia Mines), Colchester Co., Nova Scotia, Canada
Old Mulcahy Mine, Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Old Murry Mine (Murray Mine; Old Murray No. 1 Mine; Dutro Mine; Dutra Mine), Burro Mountain, Los Burros District, Santa Lucia Mts (Santa Lucia Range), Monterey Co., California, USA
Old Nehalem Quarry, Tillamook Co., Oregon, USA
Old Nell Mine, Covada, Covada District (Enterprise District), Colville Indian Reservation, Ferry Co., Washington, USA
Old Nelson, Warm Springs District (Gilt Edge District; Gold Hill District; Maiden District), Fergus Co., Montana, USA
Old New York Coal Co. Mine No. 36, Athens Co., Ohio, USA
Old New York Coal Co. Mine No. 38, Buchtel township, Athens Co., Ohio, USA
Old Nicholas Smelter Prospect, Gilmore District (Texas District), Lemhi Co., Idaho, USA
Old Nick Mine, Bridesville, Greenwood Mining Division, British Columbia, Canada
Old Ninety-Seven Mine (Old 97 prospect; Old 97 Mine; Arastara group; Emerson group), Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Old Nixon Edington mine, Nelsonville, Athens Co., Ohio, USA
Old No. 2 Prospect, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
Old Noble Mine, Alpine, Laguna Mts, San Diego Co., California, USA
Old Noll Mine, Yudnamutana District, North Flinders Ranges, Flinders Ranges, South Australia, Australia
Old Northfork Nos. 1 & 2 Mine (Juniper Mill Site), Madera Co., California, USA
Old North Mine, San Clemente, Orange Co., California, USA
Old Oaker Mine (Daggett Lease), Amador Co., California, USA
Old Oasis Prospect, San Bernardino Co., California, USA
Old Occidental Mine, Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Old Ontario Gem Mine, Dorion Township, Thunder Bay District, Ontario, Canada
Old Pacific Mine, Ophir, Ophir District (Auburn District), Placer Co., California, USA
Old Paint mine, Epsom, Merrimack Co., New Hampshire, USA
Old Pap Mine (Old Pap claim), Old Pap-Old Put Mines, Rosemont (Rosemont Camp), Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Old Pap-Old Put Mines, Rosemont (Rosemont Camp), Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Old Parks Property Prospect, Hart Co., Georgia, USA
Old Payne and Nelson Mine, Twiggs Co., Georgia, USA
Old Pen Mine, Bear Valley Mining District, San Bernardino Co., California, USA
Old Pennsylvanian placer group, Wrightson District, Santa Rita Mts, Pima Co., Arizona, USA
Old Pete Mine (Yim-Wheelock Mine), Stedman, Stedman District, San Bernardino Co., California, USA
Old Pioneer Tunnel, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA
Old Pittsburg Block Coal Co. mine, Kenwood, Harrison Co., Ohio, USA
Old Pittsburgh, Yuba Co., California, USA
Old Placers area, Gold Basin District, White Hills, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Old Placers District, Santa Fe Co., New Mexico, USA
Old placers, Yavapai Co., Arizona, USA
Old Pluhek Mines, Leamington, Juab Co., Utah, USA
Old Pope Mine, Hoover Dam area, Mohave Co., Arizona, USA
Old Portersville Mines, De Kalb Co., Alabama, USA
Old Potts Gill Mine, Potts Gill, Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England, UK
Old Pound China Clay Pit, Currian Vale, St Stephen-in-Brannel, St Austell District, Cornwall, England, UK
Old Powder Group, Moab - Bridger Jack Mesa, San Juan Co., Utah, USA
Old Powers Mine, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA
Old Price Property, Henry Co., Virginia, USA
Old Priest mine, Tecolote District, San Miguel Co., New Mexico, USA
Old Princess Placer Mine, Butte Co., California, USA
Old prospect, Arøya (Arö), Langesundsfjorden, Larvik, Vestfold, Norway
Old Providence Mine, Kettlewell, Wharfedale, North Pennines, North Yorkshire, England, UK
Old Pueblo Mine (Quien Sabe Mine), Amole District, Tucson Mts, Pima Co., Arizona, USA
Old Purtee quarry, Genoa, Ottawa Co., Ohio, USA
Old Put Mine, Groom Creek District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Old Put Mine, Old Pap-Old Put Mines, Rosemont (Rosemont Camp), Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Old Quaker mine, Ward District, White Pine Co., Nevada, USA
Old Quaker, Uravan District, Montrose Co., Colorado, USA
Old quarries, Tiffin, Seneca Co., Ohio, USA
Old quarry (2), Sandusky River, Tiffin, Seneca Co., Ohio, USA
Old quarry, Allen township, Ottawa Co., Ohio, USA
Old quarry, Bellefontaine, Logan Co., Ohio, USA
Old quarry, Big Darby Creek, Franklin Co., Ohio, USA
Old quarry, Charloe, Paulding Co., Ohio, USA
Old quarry, Florida, Henry Co., Ohio, USA
Old quarry, La Haie forest, Bertrix, Luxembourg Province, Belgium
Old quarry, Mason township, Lawrence Co., Ohio, USA
Old Quarry (MRDS - 10131011), Greene Co., Virginia, USA
Old Quarry Nos. 1 and 2, San Bernardino Co., California, USA
Old Quarry, Råna, Ballangen, Nordland, Norway
Old Quarry Road, Heathcote, Victoria, Australia
Old quarry, Sandusky River, Tiffin, Seneca Co., Ohio, USA
Old quarry, Silica, Lucas Co., Ohio, USA
Old Quarry (The Ledge; Assonet Ledge quarry; Fall River Granite Company quarry), Freetown, Bristol Co., Massachusetts, USA
Old quarry, Wooster, Wayne Co., Ohio, USA
Old Quincy Mine No. 1, Quincy Mine, Hancock, Houghton Co., Michigan, USA
Old Quincy Mine No. 2, Quincy Mine, Hancock, Houghton Co., Michigan, USA
Old Railroad Shale Prospect, Bell Co., Kentucky, USA
Old Rattler (Shale; Lucky Day; Oscar), Dry Valley Area, San Juan Co., Utah, USA
Old Ray Mine, Josephine Creek District, Josephine Co., Oregon, USA
Old Red Fox vein, Nogal District, Lincoln Co., New Mexico, USA
Old Red Mine (Golden Economy; Golden Bullet), Mule Creek, Curry Co., Oregon, USA
Old Reed, Madera Co., California, USA
Old Reef (Adelong United), Adelong, Wynyard Co., New South Wales, Australia
Old Reliable group (Yavapai Consolidated property; Union Patented claim 1737), Yavapai Co., Arizona, USA
Old Reliable Mine (Reliable Mine; Calumet Mine; Clark-Scanlon group; Copper Creek Mining Co. property), Copper Creek, Copper Creek (Copper Creek Canyon), Bunker Hill District (Copper Creek District), Galiuro Mts, Pinal Co., Arizona, USA
Old Relief Canyon Mine, Relief Canyon, Antelope Springs District, Pershing Co., Nevada, USA
Old Rescue Nos. 1 - 4 Occurrence, Warren District (Marshall District), Idaho Co., Idaho, USA
Oldřichov, Tachov, Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic
Oldřichov (Ullersloh), Nejdek (Neudek), Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Old Ripsey Mine (Ripsey Mine; Ripsey Canyon Mine; MS 1261a claim), Ripsey Wash, Ripsey Hill area, Ripsey District, Tortilla Mts, Pinal Co., Arizona, USA
Old River Road quarry, Lincoln, Providence Co., Rhode Island, USA
Old Riverside Stage Station area, Santo Domingo placers, Gila River, Maricopa Co., Arizona, USA
Old Rocky Occurrence, Niobrara Co., Wyoming, USA
Old Rose Chrome Deposit (Pennington Butte Chromite), Applegate District, Josephine Co., Oregon, USA
Old Route 7, Brookfield, Fairfield Co., Connecticut, USA
Oldroyd Calcite Quarry, Santaquin District, Wasatch Mts, Utah Co., Utah, USA
Old Rucker quarry, Ross Co., Ohio, USA
Old Sacramento Mine (Sacramento Mine; Jessie Lakin Claim), Mercur District (Camp Floyd District), Oquirrh Mts, Tooele Co., Utah, USA
Old Salaro Mine, Aztec District, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Old Sally Iron Mine, Forest of Dean, Gloucestershire, England, UK
Old Salt Lick Mine (Old Salt Lick Extension), Uravan District, Montrose Co., Colorado, USA
Old Salt Pit, Redmond Area, Sevier Co., Utah, USA
Old Sam Mine, Skeleton Creek District, Camas Co., Idaho, USA
Old Sandbed Mine (Old Sandbeds Mine), Caldbeck Fells, North and Western Region (Cumberland), Cumbria, England, UK
Old Saybrook, Middlesex Co., Connecticut, USA
Olds Claim Group, Washakie Basin, Moffat Co., Colorado, USA
Old Scythe-Stone quarry, North Smithfield, Providence Co., Rhode Island, USA
Old Senator Mine (Buena Vista Mine; Senator Mine), Bard, Potholes District, Chocolate Mts, Imperial Co., California, USA
Old Settler Mine & Tunnel, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Old Settler; Toledo Tunnel; Fisherman (Old Settler and Waterloo; Colorado and Toledo Tunnel), Montezuma Area, Summit Co., Colorado, USA
Old Shaft, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA
Old Shaft (MRDS - 10179656), Union Hill, Amherst Co., Virginia, USA
Old Shafts (MRDS - 10179236), Riverville, Amherst Co., Virginia, USA
Old Shaft, Spring Creek, Gunnison Co., Colorado, USA
Old Shale Pit, Lancaster Co., South Carolina, USA
Old Sheep Mountain Mine, Jackson Co., North Carolina, USA
Old Shell Bluff post office, Burke Co., Georgia, USA
Old Shell Road Quarry, Mobile Co., Alabama, USA
Old Sheperd Farm, Roanoke Co., Virginia, USA
Old Shepherds Mine (Wheal Rose), St Newlyn East, St Agnes District, Cornwall, England, UK
Old Shoe No. 1 Placer, Washington Gulch District (Finn District), Powell Co., Montana, USA
Old Shop Tunnel Talc Mine, Murray Co., Georgia, USA
Old Short Heirs Tract (E. B. Short-J. D. Aydelotte Tracts), Hickman Co., Tennessee, USA
Old Sierra, Mineral Co., Montana, USA
Old silver-lead pit, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA
Old Silver Mine, Cook Co., Minnesota, USA
Old Silver Mine, Lewis and Clark Co., Montana, USA
Old Slack Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Old slope mine, Gypsum, Ottawa Co., Ohio, USA
Old Smith Mine, Wickenburg, Maricopa Co., Arizona, USA
Old Smokey Occurrence, Greenback District (Upper Grave Creek District), Josephine Co., Oregon, USA
Old Smokey prospect, Carrier, Western Border, Gunpowder District, Mount Isa - Cloncurry area, Queensland, Australia
Old Smokey Prospect, Waldo District, Josephine Co., Oregon, USA
Old Smoky Prospect, Tolovana District, Yukon-Koyukuk Borough, Alaska, USA
Old Soak Mine, Barry M. Goldwater Air Force Range, La Posa District (Wellton District; Wellton Hills District), Wellton Hills-Copper Mts, Yuma Co., Arizona, USA
Old Soapstone Quarry, Santa Catalina Island, Los Angeles Co., California, USA
Old Soda Creek School Pegmatite, Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA
Old Soldier Mine, Drum Valley, Visalia, Tulare Co., California, USA
Old Soldier mine (Lost Soldier mine), Churchill District, Lyon Co., Nevada, USA
Old Soldier Mine, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Old Soldier Mine, Pine Grove District, Blue Mts, Beaver Co., Utah, USA
Old Soldier No. 1 Prospect, Seafoam District, Custer Co., Idaho, USA
Old Soldier No. 2 Prospect, Seafoam District, Custer Co., Idaho, USA
Old Soldier Vein, Mill Canyon District, Socorro Co., New Mexico, USA
Old Spanish Mine (Enright; Deakin and Taylor), Shasta Co., California, USA
Old Spanish Mine, Pima Co., Arizona, USA
Olds Perry Occurrence, Washington Co., Idaho, USA
Old Spoon, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA
Old Springfield Butte Quarry, Springfield, Lane Co., Oregon, USA
Olds Quartz Mine (Vernon), El Dorado Co., California, USA
Old Squirrel Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Old Stag Tunnel, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Old St. Anthony Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Old State Quarry, Benton Co., Oregon, USA
Old State Quarry, Gilliam Co., Oregon, USA
Old State Quarry Pit No. 8 (Old State Quarry; Old State Quarry/ Pit Number 34), Grundy Co., Tennessee, USA
Old Station Well area, Harts Ranges (Hartz Ranges), Northern Territory, Australia
Old St Daniel Mine, Giromagny, Territoire-de-Belfort, Franche-Comté, France
Old Stege Bates; Boreland & Ayer Central Construction Company property, Wildcat Canyon Regional Park, El Cerrito, Contra Costa Co., California, USA
Old Stephens Placer, El Dorado Co., California, USA
Old St. Georg Mine, Eisenberg, Goldhausen, Korbach, Hesse, Germany
Old Stiff Mine, Calaveras Co., California, USA
Old Stone Wall, Alice District, Clear Creek Co., Colorado, USA
Old Storwartz Mine, Storwartz mine field, Røros copper mines, Røros, Sør-Trøndelag, Norway
Old strip mine, Jackson township, Coshocton Co., Ohio, USA
Old strip mine, Langsville, Meigs Co., Ohio, USA
Old strip mine, Winfield road, Tuscarawas Co., Ohio, USA
Old Strontian Mine, Schoharie Township, Schoharie Co., New York, USA
Old Sumter Granite Quarry, Lancaster Co., South Carolina, USA
Old Susan Mine, Tintic District, East Tintic Mts, Juab Co., Utah, USA
Old Sutter Mill site, Coloma, El Dorado Co., California, USA
Old Sylvania mine (Stateline mine), Sylvania District, Esmeralda Co., Nevada, USA
Old Sylvester Arnold mine, Burrillville, Providence Co., Rhode Island, USA
Old Tavern Prospect, James River-Roanoke River Manganese District, Campbell Co., Virginia, USA
Old Telegraph Mine, Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA
Old Tem Piute mine, Tem Piute District, Lincoln Co., Nevada, USA
Old Tenabo placer, Bullion District, Lander Co., Nevada, USA
Old Tennessee Mine (School Property Mine), Ducktown District, Polk Co., Tennessee, USA
Old Timer Henry W. Seeman, Calaveras Co., California, USA
Old Timer Mine, Cababi District (Comobabi District), Comobabi Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA
Old Timer Mine, Gunsight District (Meyer District), Gunsight Hills, Pima Co., Arizona, USA
Old Timer Mine, Inyo Co., California, USA
Old Timer Mine, Ivanhoe District, Elko Co., Nevada, USA
Old Timer Mine (La Paloma Mine; La Palomar Mine), Palmetto District, Patagonia Mts, Santa Cruz Co., Arizona, USA
Old Timer mine, New Placers District, Santa Fe Co., New Mexico, USA
Old Timer Mine (Old Timers Club Mine), Mariposa Co., California, USA
Old Timer Prospect, Beaverhead District (Dark Horse District), Beaverhead Co., Montana, USA
Old Timer prospect, Goldbanks District, Pershing Co., Nevada, USA
Old Timer Prospect (MRDS - 10266595), Lucile District (Sampson District), Idaho Co., Idaho, USA
Old Timer Prospect, Sheep Mountain District, Custer Co., Idaho, USA
Old Timer Prospects (MRDS - 10290070), Idaho Co., Idaho, USA
Old Timer Prospect, Wallowa Range District, Wallowa Co., Oregon, USA
Old Times Group, Eagle District, Shoshone Co., Idaho, USA
Old Times mine (Alliance mine), Pioche District, Lincoln Co., Nevada, USA
Old Tim Mo Occurrence, Pioneer District, Beaverhead Co., Montana, USA
Old Tinder Mine (Chicago-Virginia Tract), Gold-Pyrite Belt, Orange Co., Virginia, USA
Old Toledo Stone and Glass Sand quarry, Silica, Lucas Co., Ohio, USA
Old Tomboy, Telluride District, San Miguel Co., Colorado, USA
Old Toole Kaolin Mine, Aiken Co., South Carolina, USA
Old Tor Mine, Castleton, Derbyshire, England, UK
Old Tough Nut Prospect, Organ District, Doña Ana Co., New Mexico, USA
Oldtown, Grayson Co., Virginia, USA
Old Town Road Sandstone Quarry, Eau Claire Co., Wisconsin, USA
Old Town Shaft, Central City District, Gilpin Co., Colorado, USA
Old Towns Quarry, Middridge, Durham Coalfield, Co. Durham, England, UK
Old Treburgett Mine, St Teath, Area East of Wadebridge, Wadebridge District, Cornwall, England, UK
Old Triplett Placer, Baltimore Co., Maryland, USA
Old Tumbactoo Placer Mine, Yuba Co., California, USA
Old Tuolumne Group (Old Tuolomne Consolidated), Tuolumne Co., California, USA
Old Utah Mine (Judge Group; United Park City Mines), Park City District, Wasatch Mts, Wasatch Co., Utah, USA
Olduvai Gorge, Ngorongoro Conservation Area, Arusha Region, Tanzania
Old Van Buskirk farm, Russell, St. Lawrence Co., New York, USA
Old Verde Mine, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA
Old Vet and Eclipse Mine (Hossick & Brown Mine), Montana Peak, Humbug District, Klamath Mts, Siskiyou Co., California, USA
Old Virginia Brick Company No. 1 Shale Bank, Salem (City), Virginia, USA
Old Virginia Brick Company Pit, Roanoke Co., Virginia, USA
Old Visnes Mine, Visnes Copper Mines (Vigsnes), Karmøy, Rogaland, Norway
Old Vore Mine (Ellen Dip.; Golden Scepter; Chubb), New England Mills, Placer Co., California, USA
Old Washington, Calaveras Co., California, USA
Old Washington Quarry, Rhea Co., Tennessee, USA
Old Wasp Mine, Maricopa Co., Arizona, USA
Old Well Tin Mine Shaft, Kings Mountain District, Lincoln Co., North Carolina, USA
Old West Mine, Penhalonga (Penchalonga; Panhalonga), Mutare (Umtali) District, Manicaland, Zimbabwe
Old Whalen mine, Alpha District, Eureka Co., Nevada, USA
Old Wham Vein, Castleton, Derbyshire, England, UK
Old Wheeler Placer, El Dorado Co., California, USA
Old Whisky Mine (Whiskey Claim; Whiskey Lead), Calaveras Co., California, USA
Oldwick Quarry (Stavola Quarry), Tewksbury Township, Hunterdon Co., New Jersey, USA
Old Will Bentley Land Prospect, Coosa Co., Alabama, USA
Old Windkell Mine (Winskell No. 1 Mine), Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Old Windlass No. 1, Belmont District, Nye Co., Nevada, USA
Old Woman Anticline Occurrence, Niobrara Co., Wyoming, USA
Old Woman Creek, Altavista, Pittsylvania Co., Virginia, USA
Old Woman Gulch, San Domingo Wash, San Domingo District, Wickenburg Mts, Maricopa Co., Arizona, USA
Old Woman meteorite, Essex, Old Woman Mts, San Bernardino Co., California, USA
Old Woman Mine, Fleming District, Grant Co., New Mexico, USA
Old Woman Mts, San Bernardino Co., California, USA
Old Woman No. 9 Prospect, San Bernardino Co., California, USA
Old Woman Spring, San Bernardino Co., California, USA
Old Wood County Stone and Construction Co. Quarry, Portage, Wood Co., Ohio, USA
Old Wood Mine, Fairview, Georges Creek-Jimmie Creek District, Marion Co., Arkansas, USA
Old Woods Copper Mine, Alabama Copper Belt, Cleburne Co., Alabama, USA
Old Young Mine, Yancey Co., North Carolina, USA
Old Yuma Mine (Yuma Mine), Saguaro National Monument, Amole District, Tucson Mts, Pima Co., Arizona, USA
Öldzeyte Suma, Ömnögovi Aimag, Mongolia
Old Zionville, Berks Co., Pennsylvania, USA
Öldziyt, Dornogovi Aimag, Mongolia
Olea claims, Greenwood Peak area, Greenwood District, Mohave Co., Arizona, USA
O'Leary Occurrence, Lake Co., Oregon, USA
O'Leary Quarry, Rock Co., Wisconsin, USA
O'Leary's Prospect, Seven Devils District, Adams Co., Idaho, USA
Ole Bull, Monarch District, Chaffee Co., Colorado, USA
Ole Claims, Pumpkin Buttes District, Johnson Co., Wyoming, USA
Ole Creek Prospect, Eagle District, Southeast Fairbanks Borough, Alaska, USA
Ole Grendal Et, Yogo, Judith Basin Co., Montana, USA
Ole; Jay 1-3; Easy Money Mine, Chisana District, Southeast Fairbanks Borough, Alaska, USA
Olekma Branch Cu deposit, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Olema, Marin Co., California, USA
Ole mine (Big Thing tunnel), Gold Butte District, Clark Co., Nevada, USA
Olenchik Island Pegmatite, Chupa Bay, Chupa pegmatite field, Northern Karelia, Karelia Republic, Northern Region, Russia
Olenevo Village, Transcarpathian Oblast' (Zakarpats'ka Oblast'; Zakarpattia), Ukraine
Olenii Creek (Olenii Ruchei; Oleny Ruchei), Khibiny Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Olenii (Oleny) Range, Voron'i Tundry, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Olenitsa River, White Sea Coast, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia
Olentangy River, Delaware Co., Ohio, USA
Olentangy River Road, Worthington, Franklin Co., Ohio, USA
Ole Olsen Lode Occurrence, Pueblo District (Denio District), Harney Co., Oregon, USA
Ole Peterson Mine, Bruner District, Nye Co., Nevada, USA
Olesna, Hořovice (Horschowitz; Horowitz), Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Olešnice, Letovice (Lettowitz), South Moravia Region, Moravia (Mähren; Maehren), Czech Republic
Oleson Prospect, Juneau District, Juneau Borough, Alaska, USA
Oleta, Amador Co., California, USA
Oleta Area Quartz occurrences, Oleta, Amador Co., California, USA
Oleta Mine (Smith-Vincent Mine), Fiddletown, Amador Co., California, USA
Olevatn fault line, Olevatn, Vang, Oppland, Norway
Olevatn, Vang, Oppland, Norway
Oley Township, Berks Co., Pennsylvania, USA
Oley Valley Quarry, Oley Township, Berks Co., Pennsylvania, USA
Olga adit, Schneidergraben, Kreuth, Bleiberg District, Gailtaler Alpen & Karnische Alpen, Carinthia, Austria
Olga Bay, Olginsky District, Primorskiy Kray, Far-Eastern Region, Russia
Olga Kordon, Lane Co., Oregon, USA
Olga Marie (Olga Marie Moonbeam), Custer Co., Idaho, USA
Olga mine, Estación La Negra, Antofagasta Province, Antofagasta Region, Chile
Olga Mine, Herscheid, Lüdenscheid, Sauerland, North Rhine-Westphalia, Germany
Olga, Rustler Springs, Culberson Co., Texas, USA
Olga's rush, Coocoran Opal Fields, Lightning Ridge, Finch Co., New South Wales, Australia
Olgen Prospect, Alaska Peninsula District, Aleutians East Borough, Alaska, USA
Olgiasca-Malpensata (Piona), Colico, Lecco Province, Lombardy, Italy
Olginskoye Mine, Balkashinskoye Uranium ore field, Balkashino, Akmola Province (Aqmola Oblysy; Akmolinskaya Oblast'), Kazakhstan
Olginsky District, Primorskiy Kray, Far-Eastern Region, Russia
Ol'ginskyi, Kyren, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Olhio Prospect, Sand Gulch Area, Fremont Co., Colorado, USA
Olhos d'Água claim, Piauí valley, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brazil
Olias, Málaga, Andalusia, Spain
Olifantsfontein Mine, Olifantsfontein (Annshope), Grootfontein District, Otjozondjupa Region, Namibia
Olifantsgeraamte Asbestos Mine, Sabie, Pilgrim's Rest District, Mpumalanga Province, South Africa
Olifantspoort Mine, Olifantspoort, Northwest Province, South Africa
Olifantspoort, Northwest Province, South Africa
Olim McCrary Mine, Caldwell Co., North Carolina, USA
Olimpiada Mine, Enisei Range (Yenisei Ridge; Enisei Ridge), Krasnoyarsk Territory (Krasnoyarsk Kray; Krasnoyarskii Krai), Eastern-Siberian Region, Russia
Olin Brothers Property, Converse Co., Wyoming, USA
Olinger deposit, Anza Valley, Anza, Cahuilla District, Riverside Co., California, USA
Olinghouse Canyon, Olinghouse District, Washoe Co., Nevada, USA
Olinghouse District, Washoe Co., Nevada, USA
Olin Mathieson Salt Deposit, Washington Co., Alabama, USA
Olin Quadrangle, Georgetown Co., South Carolina, USA
Olin Quarry, Saltville, Smyth Co., Virginia, USA
Olio Mine, Bear Valley Mining District, San Bernardino Co., California, USA
Oliva de la Frontera, Badajoz, Extremadura, Spain
Olive B. Occurrence (Slide Creek Group), Pearsoll Peak, Curry Co., Oregon, USA
Olive Branch Church Prospect, Henry Co., Tennessee, USA
Olive Butte (Big Elk), Greenhorn District, Grant Co., Oregon, USA
Olive Camp, Helmet Peak area, Pima Co., Arizona, USA
Olive Camp, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA
Olive Creek Mine, Tolovana District, Yukon-Koyukuk Borough, Alaska, USA
Olive Creek Mining Company Claims (Red Bell Claim; Red Bell No. 2 Claim; Black Bart Claim; Olive Creek Mining Company; Red Bell No. 3 Claim; Manhatten Claim), Alamo District, Grant Co., Oregon, USA
Olive Creek Occurrence (Twenty Thousand Gulch; Hill), Dixie District, Idaho Co., Idaho, USA
Olive Creek Placers (Twenty Thousand Gulch), Dixie District, Idaho Co., Idaho, USA
Olivehall Prospect, Hardin Co., Tennessee, USA
Olive Hill Quarry, Carter Co., Kentucky, USA
Olive, Idaho Springs District, Clear Creek Co., Colorado, USA
Oliveira do Hospital, Coimbra District, Portugal
Olive Lake Prospect, Granite District, Grant Co., Oregon, USA
Olive Mabel claim, Ophir Lade Property, Gainer Creek, Revelstoke Mining Division, British Columbia, Canada
Olive mine, Llano Co., Texas, USA
Olive Mine (Off Pointer Mine), Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA
Olive Mine (Oliver), El Dorado Co., California, USA
Olive Mine, Shasta Co., California, USA
Olivenhain, San Diego Co., California, USA
Olive No. 5 prospect, Romur tungsten area, Fremont Co., Wyoming, USA
Olive, Orange Co., California, USA
Olive Quartz Mine, Hooperville, Deadwood District, Klamath Mts, Siskiyou Co., California, USA
Oliver Barite Mine, Del Rio District, Cocke Co., Tennessee, USA
Oliver claim (Lee claim), Washington Camp-Duquesne District, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA
Oliver claim (Neglect claim; Oliver Consolidated claim), Ryan, Black Mts, Furnace Creek District (Furnace Creek Borate District), Death Valley National Park, Inyo Co., California, USA
Oliver claims, Copper Mountain District (Clifton-Morenci District), Shannon Mts, Greenlee Co., Arizona, USA
Oliver Dam site, Columbus, Muscogee Co., Georgia, USA
Oliver & Holland Mine (Holland), Nevada Co., California, USA
Oliverian Station locality, Haverhill, Grafton Co., New Hampshire, USA
Oliver Limonite Mine, James River-Roanoke River Mn-Fe-Ba District, Campbell Co., Virginia, USA
Oliver Mine (Calumet and Arizona Mine), Calumet and Arizona group of claims (Calumet and Arizona Mining Company group of claims), Bisbee, Warren District, Mule Mts, Cochise Co., Arizona, USA
Oliver Mine, Gastonia, Gaston Co., North Carolina, USA
Oliver Mine, Marquette iron range, Marquette Co., Michigan, USA
Oliver Mine No. 1 (Oliver No. 2 and 3), Gunnison Co., Colorado, USA
Oliver occurrence, Pilot Peak, Plumas Co., California, USA
Oliver Paipoonge Township, Thunder Bay District, Ontario, Canada
Oliver Placer, Tuolumne Co., California, USA
Oliver Prospect drill hole 02, Iron River, Menominee iron range, Iron Co., Michigan, USA
Oliver Prospect No. 1, Ridgeway, Henry Co., Virginia, USA
Oliver Prospect No. 2 (Mill Prospect), Ridgeway, Henry Co., Virginia, USA
Oliver Prospect, Park Co., Montana, USA
Oliver Prospect, Texas Creek Area, Fremont Co., Colorado, USA
Oliver Quarry (P. W. Ryan Sons; Inc.), Green Co., Wisconsin, USA
Oliver Road, Gads Hill, Upper Mersey Valley, Tasmania, Australia
Oliver Saddle Prospect, Tallahassee Creek District, Fremont Co., Colorado, USA
Olivers Phosphate Quarry, Noarlunga, South Mt Lofty Ranges (Adelaide Hills), Mt Lofty Ranges, South Australia, Australia
Oliver Twist Tunnel (Oliver Twist Shaft), Horseshoe Basin District, Park Co., Colorado, USA
Oliver Vanadium Mine (Canary Bird; Lone Star), Uravan District, San Miguel Co., Colorado, USA
Olive Springs Quarry, Scotts Valley, Santa Cruz Mts, Santa Cruz Co., California, USA
Olives prospect, Barool Creek, Drake Co., New South Wales, Australia
Olive Street pit, Ramona, Ramona District, San Diego Co., California, USA
Olivet Brick & Tile Company Clay Pit, Eaton Co., Michigan, USA
Olivette and Annette Mines (Olivette Mine; Olive Mine; New Olivette Mine; Corda Brothers group; Corda group), Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, Pima Co., Arizona, USA
Olivia Mine, Rosa de Castillo, Laguna Hansen, Mun. de Tecáte, Baja California (Baja California Norte; BC Norte), Mexico
Olivia mine, Sierra Bella Vista, Caracoles, Sierra Gorda District, Antofagasta Province, Antofagasta Region, Chile
Olivine Basalt pits, Yavapai Co., Arizona, USA
Olivine Deposit (MRDS - 10126709), Macon Co., North Carolina, USA
Olivine Hill Claim, Triangulation Point, Cypress Island, Skagit Co., Washington, USA
Olivone, Blenio Valley, Ticino (Tessin), Switzerland
Olivos Mine, Tlalpujahua, San pedro y San Pablo de Tlalpujahua District, Mun. de Tlalpujahua, Michoacan, Mexico
Oljeta Mine, Oljeto Mesa, Goulding, Monument Valley District (Monumental District), Monument Valley, San Juan Co., Utah, USA
Oljeto Mesa, Goulding, Monument Valley District (Monumental District), Monument Valley, San Juan Co., Utah, USA
Olkaria volcano, Hell’s Gate National Park, Rift Valley Province, Kenya
Olkar Mine, Kvikne, Tynset, Hedmark, Norway
Ol'khonskiye Vorota (Olkhon Gate) Strait, Lake Baikal area, Irkutskaya Oblast', Prebaikalia (Pribaikal'e), Eastern-Siberian Region, Russia
Olkhovka, Tyumenskaya Oblast', Polar Urals, Western-Siberian Region, Russia
Olkusz District, Małopolskie, Poland
Olkusz Mine, Olkusz, Olkusz District, Małopolskie, Poland
Olkusz, Olkusz District, Małopolskie, Poland
Ollagüe, El Loa Province, Antofagasta Region, Chile
Ollague meteorite, Ollague, Nor Lípez Province, Potosí Department, Bolivia
Ollague, Nor Lípez Province, Potosí Department, Bolivia
Ollague Volcano, Nor Lípez Province, Potosí Department, Bolivia
Ollala Occurrence, Riddle District, Klamath Co., Oregon, USA
Ollala Placers (Fisher Placer), Riddle District, Douglas Co., Oregon, USA
Olla, La Salle Parish, Louisiana, USA
Ollano, Mallare, Savona Province, Liguria, Italy
Olla Oatman shaft, Tom Reed vein, Oatman, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Olla prospect, Chief Mountain, Pala, Pala District, San Diego Co., California, USA
Ollerías, Legutiano (Villarreal de Álava), Álava, Basque Country, Spain
Olleria, Valencia, Valencian Community, Spain
Ollie Belle Mine (Leekley; Kerwin; Curwin and Miller), Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Ollie Jordan Mine, Liberty, Swauk District, Kittitas Co., Washington, USA
Ollie, Keokuk Co., Iowa, USA
Ollie Reed, Leadville District, Lake Co., Colorado, USA
Olliergues, Puy-de-Dôme, Auvergne, France
Olliff Option Prospect, South Florida Phosphate District, Hardee Co., Florida, USA
Ollisdal Geo, Dunvegan, Duirinish, Isle of Skye, North West Highlands (Inverness-shire), Scotland, UK
Ollivant's Pit, Douglas Co., Oregon, USA
Ollomont Mine, Ollomont, Valpelline, Aosta Valley, Italy
Olmeda, Catacocha, Paltas Canton, Loja Province, Ecuador
Olmedo, Sassari Province, Sardinia, Italy
Olmeta-di-Tuda, Bastia, Haute-Corse, Corsica, France
Olmsted Co., Minnesota, USA
Olmstedville, Essex Co., New York, USA
Ölmühlenberg Gypsum pit, Förste, Osterode, Lower Saxony, Germany
Olney Creek, Sultan, Sultan District, Snohomish Co., Washington, USA
Olney Extension, Mariposa Co., California, USA
Olney Quarry, Clatsop Co., Oregon, USA
O-Lo-Lim Mine, McCoy Lake, Deer Trail & Cedar Canyon Districts, Stevens Co., Washington, USA
Olomouc (Olmütz), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Olomučany, Blansko, South Moravia Region, Moravia (Mähren; Maehren), Czech Republic
Olon Ovoot Mine, Shara Hulasa Hiid, Ömnögovi Aimag, Mongolia
Olony Lode Mine, San Bernardino Co., California, USA
Olot, Garrotxa, Girona (Gerona), Catalonia, Spain
Olovena stola (Bleistollen), Zlaté Hory (Zuckmantel), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Oloví (Bleistadt), Sokolov (Falkenau an der Eger), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Olovienky, Malužiná, Liptovský Mikuláš Co., Žilina Region, Slovakia
Olov Jonsgruvan Mine, Pajsberg, Persberg district, Filipstad, Värmland, Sweden
Olov Mine, Finnshytteberg ore field (Finnshytte), Nordmark district, Filipstad, Värmland, Sweden
Olowalu Valley, Maui, Maui Co., Hawaii, USA
Olperer, Zamser Grund (Zams valley), Ziller valley, North Tyrol, Tyrol, Austria
Olpe, Siegerland, North Rhine-Westphalia, Germany
Olsa, Friesach, Friesach - Hüttenberg area, Carinthia, Austria
Olsberg, Sauerland, North Rhine-Westphalia, Germany
Olsbrücken, Otterbach, Palatinate, Rhineland-Palatinate, Germany
Olsen and Baxter placer, Rescue, El Dorado Co., California, USA
Olsen and Donaldson Placer, El Dorado Co., California, USA
Olsen claim (New Diggings), China Point (1), Klamath Mts, Siskiyou Co., California, USA
Olsen Fraction Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Olsen (Golden City), Tuolumne Co., California, USA
Olsen Hill Placer Mine, Bestville, Klamath Mts, Siskiyou Co., California, USA
Olsen Mine, Jims Camp, Klamath Mts, Siskiyou Co., California, USA
Olsen Placer Mine, Trinity Co., California, USA
Olsen Prospect (Anvil Creek), Nome District, Nome Borough, Alaska, USA
Olsen Prospect, Washington District (Omega District), Nevada Co., California, USA
Olsen Switch, Saline Co., Arkansas, USA
Olsen & Switzer Occurrence, Lincoln Co., Montana, USA
Olsen, Tuolumne Co., California, USA
Olší, Žďár nad Sázavou, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic
Olson and Viette; Dominick Ledge Prospect, Prince William Sound District, Valdez-Cordova Borough, Alaska, USA
Olson Asbestos, Orofino District, Clearwater Co., Idaho, USA
Olson Claim, Big Four Mtn, Snohomish Co., Washington, USA
Olson Clay Deposit (Olson and Stanford Hi-Al Clay), Troy District, Latah Co., Idaho, USA
Olson Copper prospect (Olson's Copper prospect), Alamo District, Buckskin Mts, La Paz Co., Arizona, USA
Olson Dredge (Pioneer Dredging), Shasta District, Shasta Co., California, USA
Olson Dredge, Shasta Co., California, USA
Olson exploration, Mineral Hills, Menominee iron range, Iron Co., Michigan, USA
Olson Gulch District, Deer Lodge Co., Montana, USA
Olson Gulch, Olson Gulch District, Deer Lodge Co., Montana, USA
Olson Mine (Butler Brothers; Hanna Mining Company Agt), Mesabi Range, Itasca Co., Minnesota, USA
Olson Mine (Fitzgerald; Carlson Lease; Scott Rogers), Avon District (Mica Mountain District), Latah Co., Idaho, USA
Olson Nos. 1 & 2 Placer, Sierra Co., California, USA
Olson Quarry (George Wendtlandt; Inc.), Lafayette Co., Wisconsin, USA
Olson Quarry, Hancock Co., Illinois, USA
Olson Quarry, Lafayette Co., Wisconsin, USA
Olson Quarry (Wilber Lime Products; Inc.), Trempealeau Co., Wisconsin, USA
Olson's Placer, Conner Creek District, Baker Co., Oregon, USA
Olsovec, Hranice na Moravě, Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Olswick prospect (Giswick deposit), Santee, San Diego Co., California, USA
Olt Co., Romania
Olten, Solothurn, Switzerland
Oltre il Colle, Brembana Valley, Bergamo Province, Lombardy, Italy
Oltschiburg, Bielen, Balm, Hasli Valley, Bern, Switzerland
Olustee-Eldorado area, Jackson Co., Oklahoma, USA
Ølve Gold prospects, Ølve Mining Area, Kvinnherad, Hordaland, Norway
Ølve Mining Area, Kvinnherad, Hordaland, Norway
Olvera Ophite, Olvera, Cádiz, Andalusia, Spain
Olwyn Goch Shaft, Halkyn South mine (Halkyn Rhydymwyn mine), Halkyn (District) United Mines, Halkyn, Flintshire (Clwyd), Wales, UK
Olympia claim, Blinn claims, Culver Gulch, Blewett, Blewett District (Peshastin District), Chelan Co., Washington, USA
Olympia Claim, Fresno Co., California, USA
Olympiada Mine (Olympias Mine), Cassandra Mines, Chalkidiki Prefecture, Macedonia Department, Greece
Olympiad Mine (Comet Mine), Elk Creek-Coloma District, Missoula Co., Montana, USA
Olympia Mine, Banner Mine group (Banner Mine; Hughes Mine), Stevens Mountain, Papago District (Sierrita District), Sierrita Mts, Pima Co., Arizona, USA
Olympia Placer Mine, Shasta Co., California, USA
Olympia, Thurston Co., Washington, USA
Olympia Tin Prospect, Hill City District, Pennington Co., South Dakota, USA
Olympic & Allen Occurrence (Cleveland Fraction; Deep Creek Tungsten; Alaska Group), Seven Devils District, Adams Co., Idaho, USA
Olympic Creek Mine, Goodnews Bay District, Bethel Borough, Alaska, USA
Olympic Dam Mine, Roxby Downs, Andamooka Ranges - Lake Torrens area, South Australia, Australia
Olympic deposit, Bridge River area, Lillooet Mining Division, British Columbia, Canada
Olympic Ice Hockey Hall, Gjøvik, Oppland, Norway
Olympic Mine, Inyo Co., California, USA
Olympic Mine, Philipsburg District (Flint Creek District), Granite Co., Montana, USA
Olympic No. 2 Occurrence, Washington Gulch District (Finn District), Powell Co., Montana, USA
Olympic Occurrence (Mas24 1041), Circle Cliffs, Garfield Co., Utah, USA
Olympic (OMCO) Mine, Bell District, Mineral Co., Nevada, USA
Olympus Mine (Paradise), San Bernardino Co., California, USA
Omabu mine, Kawanishi City, Hyogo Prefecture, Kinki region, Honshu Island, Japan
Omagh, Co. Tyrone, Northern Ireland, UK
Omaha (2), Randolph Co., Alabama, USA
Omaha claim mine, Hartville Uplift District, Goshen Co., Wyoming, USA
Omaha Consolidated Mine (Lone Jack Mine; Homeward Bound Mine; Omaha vein), Grass Valley, Nevada City District (Grass Valley District), Nevada Co., California, USA
Omaha, Douglas Co., Nebraska, USA
Omaha - Grant Smelter (?slag locality), La Plata District (California District), La Plata Co., Colorado, USA
Omaha, Mercur District (Camp Floyd District), Oquirrh Mts, Tooele Co., Utah, USA
Omaha Mine, Cement Creek, Eureka District, San Juan Co., Colorado, USA
Omaha Mine, Groom Creek District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Omaha Mine, Quijotoa District, Quijotoa Mts, Pima Co., Arizona, USA
Omaha Mine, Upper Union District (Empire District), Clear Creek Co., Colorado, USA
Omaha Mine (Wilcox Mine; Omaha Iron Company; U S Steel Company et al), Cuyuna North Range, Crow Wing Co., Minnesota, USA
Omaha prospect, Caledonia Mine (Caladonian Mine), Kellogg, Coeur d'Alene District, Shoshone Co., Idaho, USA
Omaha prospect, Champion Creek area, Custer Co., Idaho, USA
Omaha, Randolph Co., Alabama, USA
Omaha, Red Mountain District, San Juan Co., Colorado, USA
Omaha Soda Deposit, Natrona Co., Wyoming, USA
Omaheke Region, Namibia
Omai bauxite mine, Omai, Upper Takutu-Upper Essequibo Region, Guyana
Omai gold mine, Omai, Upper Takutu-Upper Essequibo Region, Guyana
Omai, Upper Takutu-Upper Essequibo Region, Guyana
Omaki mine, Karumai, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Omak, Okanogan Co., Washington, USA
Oman
Oman Construction - Aripeka Mine, Hernando Co., Florida, USA
Oman Place, Stevens Co., Washington, USA
Oman prospect, Oman Place, Stevens Co., Washington, USA
Omapu Bay (Western Bay), Mayor Island (Tuhua), New Zealand
Omapyo, Namibia
O'Mara Mine (Old Soldier Mine), Canada de la Paloma, Patagonia District, Patagonia Mts, Santa Cruz Co., Arizona, USA
Omar Marie mine (Omer Marie mine), Manhattan District, Nye Co., Nevada, USA
Omar Prospect, Kiana District, Northwest Arctic Borough, Alaska, USA
Omarska mine, Ljubija ore field, Ljubija, Prijedor, Serb Republic, Bosnia and Herzegovina
Omaruru, Damaraland District, Kunene Region, Namibia
Omaruru District, Erongo Region, Namibia
Omaruru project, Omaruru, Damaraland District, Kunene Region, Namibia
Omar White Mine, Barbour Co., Alabama, USA
Ómassa, Miskolc, Bükk Mts., Borsod-Abaúj-Zemplén Co., Hungary
Omasuyos Province, La Paz Department, Bolivia
Oma Threatt Mine, Barbour Co., Alabama, USA
Omaue Mine, Kaokoveld Plateau, Kunene Region, Namibia
Ombella-M'Poko Prefecture, Central African Republic
Ombompo Claim, Doubtful Lake, Stehekin District, Chelan Co., Washington, USA
Ombretta Pass, Marmolada Group, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy
Ombretta Valley, Marmolada Group, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy
Omchak Au deposit, Omchak gold field, Kolyma River Basin, Magadanskaya Oblast', Far-Eastern Region, Russia
Omchak gold field, Kolyma River Basin, Magadanskaya Oblast', Far-Eastern Region, Russia
Omdal 1 Pegmatite, Omdal, Iveland, Aust-Agder, Norway
Omdal 2 Pegmatite, Omdal, Iveland, Aust-Agder, Norway
Omdal, Iveland, Aust-Agder, Norway
Omega Claim Group, Carbon Co., Wyoming, USA
Omega Creek; Alpha Creek Mine, Hot Springs District, Yukon-Koyukuk Borough, Alaska, USA
Omega Extension Mine, Monument Mountain, Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Omega Group, Unorganized District, Pennington Co., South Dakota, USA
Omega Lode Prospect, Poorman Group, Independence District, Sweet Grass Co., Montana, USA
Omega Mine, Jamestown, Jamestown District, Mother Lode belt, Tuolumne Co., California, USA
Omega Mine, Lead District, Lawrence Co., South Dakota, USA
Omega Mine (MS 19100; Patented Claim: Omega), Lower San Miguel District, San Miguel Co., Colorado, USA
Omega Mine (Omega Tunnel; Omega Extension), Monument Mountain, Helvetia, Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Omega Mine, San Bernardino Co., California, USA
Omega Mine, Sierra Co., California, USA
Omega Mine, Sinoquipe, Mun. de Arizpe, Sonora, Mexico
Omega Mine, Stemple District (Fool Hen District), Lewis and Clark Co., Montana, USA
Omega Mine, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
Omega Placer Mine, Washington District (Omega District), Nevada Co., California, USA
Omega Prospect, Mazourka Rare II Area, Inyo Co., California, USA
Omega Quartz Mine, Nevada City District (Grass Valley District), Nevada Co., California, USA
Omegna, Verbano-Cusio-Ossola Province, Piedmont, Italy
Omehane, Otjinamewa (Otjionamewa), Brandberg Area, Erongo Region, Namibia
Omei Claim (White Gypsum Group), Riverside Co., California, USA
Omeljanjoff No. 2 Mine, Kitelskoe (Kitelsk; Kitelskoye) Sn-Zn deposit, Sortavala, Pitkyaranta (Pitkäranta) District, Ladoga Region, Karelia Republic, Northern Region, Russia
Omeljanjoff No. 3 Mine, Kitelskoe (Kitelsk; Kitelskoye) Sn-Zn deposit, Sortavala, Pitkyaranta (Pitkäranta) District, Ladoga Region, Karelia Republic, Northern Region, Russia
Omeljanjoff No. 4 Mine, Kitelskoe (Kitelsk; Kitelskoye) Sn-Zn deposit, Sortavala, Pitkyaranta (Pitkäranta) District, Ladoga Region, Karelia Republic, Northern Region, Russia
Omenica Mining Division, British Columbia, Canada
Omeo, East Gippsland Shire, Victoria, Australia
Omer, Arenac Co., Michigan, USA
Omeshorn, Lech, Montafon, Vorarlberg, Austria
O. M. Hampton Stone Quarry, Watauga Co., North Carolina, USA
Omi, Higashichikuma-gun, Nagano prefecture, Chubu region, Honshu Island, Japan
Omilak East Prospect, Council District, Nome Borough, Alaska, USA
Omilak Mine, Council District, Nome Borough, Alaska, USA
Omine Mine, Yamaguchi Prefecture, Chugoku Region, Honshu Island, Japan
Omine Mts, Tenkawa village, Yoshino-gun, Nara Prefecture, Kinki Region, Honshu Island, Japan
Omiyadani, Shiga Prefecture, Kinki Region, Honshu Island, Japan
Omlenice, Kaplice, South Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Omlid (Åmli) mines, Morgedal, Kviteseid, Telemark, Norway
Ömnögovi Aimag, Mongolia
Omodani mine, Ono City, Fukui Prefecture, Chubu Region, Honshu Island, Japan
Omoe mine, Miyako City, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Omohundro Prospect, Gold-Pyrite Belt, Goochland Co., Virginia, USA
Omo Mine, El Dorado Co., California, USA
Omongwa salt pan, Kalahari desert, Omaheke Region, Namibia
Omori mine, Iwami mine (Iwami-ginzan), Ōda City, Shimane Prefecture, Chugoku region, Honshu Island, Japan
Omoto granite formation, Ishigaki Island, Okinawa Prefecture, Nansei Archipelago, Kyushu Region, Japan
Omskaya Oblast', Polar Urals, Western-Siberian Region, Russia
Omsted Building Stone Quarry, Omer, Arenac Co., Michigan, USA
Omsukchan, Ducat District, Kolyma River Basin, Magadanskaya Oblast', Far-Eastern Region, Russia
Omukai Mine, Kodo-mura, Kano-cho, Tsuno-gun, Yamaguchi Prefecture, Chugoku Region, Honshu Island, Japan
Omura, Chichi Island (Chichijima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
Omuro, Ohito, Shizuoka prefecture, Chubu region, Honshu Island, Japan
Omusati Region, Namibia
Omutninskaya Pt-bearing placer, Omutnaya River, Polevskoi (Polevskoi Zavod), Sysert' District, Ekaterinburgskaya (Sverdlovskaya) Oblast', Middle Urals, Urals Region, Russia
Omya SAS Quarry (Omyat), Chepy, Marne, Champagne-Ardenne, France
Onadaga mine, Black Metals mine (Black Metal mine; Jackrabbit mine; Day mine), Bristol and Jackrabbit Districts, Lincoln Co., Nevada, USA
Onamalutu Valley, South Island, New Zealand
Onamo Tunnel, Rico District (Pioneer District), Dolores Co., Colorado, USA
Onaping Mine, Levack, Sudbury District, Ontario, Canada
Onaqui Mountains South Gypsum Quarries, Davis Knolls area, Tooele Co., Utah, USA
Onaway Mine, Potlatch Area, Latah Co., Idaho, USA
Onaway Quarry (Onaway Stone Company), Presque Isle Co., Michigan, USA
Onawe peninsula, South Island, New Zealand
On Claims (Claims: On Nos. 8-17), Embargo District (Embargo Creek District; Meyers Creek District), Saguache Co., Colorado, USA
Onderdendam, Groningen, Netherlands
Onderra Mine, Kaokoveld Plateau, Kunene Region, Namibia
Ondor Sum Fe deposit, Ondor Sum, Sonid Right Banner (Sunite Youqi), Xilin Gol League (Xilinguole Prefecture), Inner Mongolia Autonomous Region, China
Ondor Sum, Sonid Right Banner (Sunite Youqi), Xilin Gol League (Xilinguole Prefecture), Inner Mongolia Autonomous Region, China
Ondrasov, Moravský Beroun, Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Ondřejovice, Zlaté Hory (Zuckmantel), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Ondrick Quarry, Granby, Hampshire Co., Massachusetts, USA
Ondundu gold deposit, Erongo Region, Namibia
Ondurukurume (Ondumakorume) complex, Kalkfeld, Damaraland District, Kunene Region, Namibia
O'Neal mine (Treasure Vault mine), Lewis District, Lander Co., Nevada, USA
O'Neal Pit, Marion Co., Florida, USA
O'Neal Property, Crandall, Murray Co., Georgia, USA
O'Neal Quarry (Plymouth Quarry), Plymouth, Hancock Co., Illinois, USA
O'Neal Sandstone Quarry (Barnett Quarry), Amador Co., California, USA
One and Only One Prospect (One and Only One Claim), Mackay District (Alder Creek District; White Knob District), Custer Co., Idaho, USA
One and Three Quarters, Boulder Co. Tungsten District, Boulder Co., Colorado, USA
One and Two Gold Hill Mine, Fresno Co., California, USA
Oneco Exploration prospect, Hubbell, Houghton Co., Michigan, USA
One Day At Time/Easy Does It Mine (Bummer; Blue Range Placer Mine), West Yuba Rare II Area, Sierra Co., California, USA
One Dead Digger, Bob Marshall Wilderness, Flathead Co., Montana, USA
Onedin prospect, Koongie Park, Halls Creek, Western Australia, Australia
One Eyed Jack Nos. 1; 2 and 3 (Zoar), Low Divide, Low Divide District, Klamath Mts, Del Norte Co., California, USA
One group, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
One Horse Prospect, Ravalli Co., Montana, USA
One-Hundred claims, Emerson Peak, Warner Mts, Modoc Co., California, USA
One Hundred Dollar Mine, Tanners Peak, Liberty District, Klamath Mts, Siskiyou Co., California, USA
One-Hundred-Ten-Foot Adit Occurrence, Spring Creek District, Deep Creek Mts, Juab Co., Utah, USA
Oneida Co., Idaho, USA
Oneida Co., New York, USA
Oneida Co., Wisconsin, USA
Oneida Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Oneida Mine, Jackson, Jackson-Plymouth District, Amador Co., California, USA
Oneida Mine, LeRoy Mine group, Dos Cabezas, Dos Cabezas (Two Heads) District, Dos Cabezas Mts, Cochise Co., Arizona, USA
Oneida Mine, Mohave Co., Arizona, USA
Oneida Mine, Victoria, Ontonagon Co., Michigan, USA
Oneida Perlite Corporation Pit, Daniels Area, Oneida Co., Idaho, USA
Oneida Placer, Quigley Area, Power Co., Idaho, USA
Oneida Prospect (Oneida South Mine), Caribou City-Stump Creek Area MLA, Mount Pisgah District, Bonneville Co., Idaho, USA
Oneida Reserve PA-8 (Inland Steel Company; Pacific Isle Mining Company), Mesabi Range, St. Louis Co., Minnesota, USA
Oneida Tunnel, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
O'Neil Gulch Prospect (Rattlesnake Claim Group), North Fork Area, Lemhi Co., Idaho, USA
O'Neill Creek Pumice Deposit, Boulder Mountains Area, Powell Co., Montana, USA
Oneill Group Mines, Uravan District, San Miguel Co., Colorado, USA
O'Neill, Holt Co., Nebraska, USA
O'Neill & Hopkins Quarry, Jersey City, Bergen Hill, Hudson Co., New Jersey, USA
O'Neill Mine, Gatineau Park, Gatineau TE, Outaouais, Québec, Canada
O'Neill Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
O'Neill property, Gravelly Springs, Lauderdale Co., Alabama, USA
O'Neill Ranch placer, Granite Point, Klamath River District, Klamath Mts, Siskiyou Co., California, USA
O'Neill's Claim, Dolores River, Bull Pen Canyon, Slick Rock District, San Miguel Co., Colorado, USA
O'Neills Copper Mine, Bingara, Murchison Co., New South Wales, Australia
Oneill Shafts Prospect (West End Field), Kern Co., California, USA
O'Neil mine, Charlestown, Sullivan Co., New Hampshire, USA
O'Neil Mine (Nail Mine), Lake Mombasha, Town of Monroe, Orange Co., New York, USA
O'Neil mine, Reese River District, Lander Co., Nevada, USA
O'Neil Place, Coastal Range, Mendocino Co., California, USA
O'Neil prospect, Elk Mountain District, Elko Co., Nevada, USA
O'Neil Quarry (Daniel E. O'Neil Quarry), Keene, Cheshire Co., New Hampshire, USA
Onek Mine, Keno Hill, Mayo Mining District, Yukon Territory, Canada
Onello meteorite, Bol'shoy Dolguchan River, Onello River basin, Aldan shield, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
One Mile Flat, Torrington, Clive Co., New South Wales, Australia
One & Nine tunnel (No. 1 and No. 9 pipes; Yates No. 7), Kingsgate, Gough Co., New South Wales, Australia
One No. 17-24 Prospect, Fremont Co., Wyoming, USA
Oneoneta Quarry, Blount Co., Alabama, USA
Oneonta, Blount Co., Alabama, USA
Oneonta, Boulder Co. Tungsten District, Boulder Co., Colorado, USA
Oneonta Mine, Unorganized District, Custer Co., South Dakota, USA
One Point Lode Occurrence, Custer District, Custer Co., South Dakota, USA
One Spot (Sailor Jack), El Dorado Co., California, USA
Oneta, Riso Valley, Seriana Valley, Bergamo Province, Lombardy, Italy
Onetha mine, Lead Belt, White Pine District, White Pine Co., Nevada, USA
One Thousand Acres Claim, Sister Creek, Twin Sisters Mountain, Whatcom Co., Washington, USA
Oneto Mine, Calaveras Co., California, USA
One To Sixteen and Vulture Mine, El Dorado Co., California, USA
Onetto group, Mohave Co., Arizona, USA
Oneux Mines, Oneux, Theux, Verviers, Liège Province, Belgium
Oneux, Theux, Verviers, Liège Province, Belgium
Oney Lease Prospect, Kern Co., California, USA
Ongaroto Road, Atiamuri, Taupo, North Island, New Zealand
Ongeltjern, Øyna, Froland, Aust-Agder, Norway
Ongjin mine (Onjin mine; Ongiin mine), North Korea
Ongniud Banner (Wengniute Co.), Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China
Ongole, Guntur District, Andhra Pradesh, India
Ongón district, Pataz Province, La Libertad Department, Peru
Ongoveyuk River Occurrence, Bering Sea District, Nome Borough, Alaska, USA
Ongrée, Le Perron, Liège Province, Belgium
Oni District, Racha-Lochkhumi-Kvemo Svaneti Region, Georgia
Onigajo, Osemachi, Tadano, Koriyama, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
Oniishi-machi (Onishi-machi), Tano-gun, Gunma Prefecture, Kanto Region, Honshu Island, Japan
Onikobe geothermal field, Miyagi Prefecture, Tohoku Region, Honshu Island, Japan
Oni-no-Iwaya cave, Hiroshima prefecture, Chugoku region, Honshu Island, Japan
Onion Creek, Galena Farm Road, Stevens Co., Washington, USA
Onion Creek Gypsum Deposit, Grand Co., Utah, USA
Onion Creek (La Sal Mountains), Grand Co., Utah, USA
Onion Creek Placer, El Dorado Co., California, USA
Onion Falls Copper (Coons Copper-Gold Ledge; Hamlin Prospect), Pickett Creek District, Josephine Co., Oregon, USA
Onion Gulch Placers, Granite District, Grant Co., Oregon, USA
Onion Mountain Nickel Occurrence (Pack Trail; Cobalt Blue), Pickett Creek District, Josephine Co., Oregon, USA
Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA
Onion Mountain prospect, Onion Mountain, Pecwan (Pekwan), Klamath Mts, Humboldt Co., California, USA
Onion Mountain Quarry, Josephine Co., Oregon, USA
Onion Mountain Quarry (Onion Mtn Pit), Josephine Co., Oregon, USA
Onion River Falls, Cook Co., Minnesota, USA
Onion Springs No. 1, Gold Hill District, Jackson Co., Oregon, USA
Onion Valley area, Plumas Co., California, USA
Onion Valley Creek placer prospect, Fowler Peak, Plumas Co., California, USA
Onion Valley Mine (Mayflower Mine), Pilot Peak, Plumas Co., California, USA
Onixeddu Mt., Gonnesa, Carbonia-Iglesias Province, Sardinia, Italy
Onjong-ni (Chjong-ni), Oegumgang-myon, Kosong-gun, Kangwon Province, North Korea
Onley Clay Deposit (Barth Clay), Clatsop Co., Oregon, USA
Only Chance (Choice) claim, Elizabethtown District, Colfax Co., New Mexico, USA
Only Chance, Leadville District, Lake Co., Colorado, USA
Only Chance mine (Geneva mine), Cherry Creek District, White Pine Co., Nevada, USA
Only Chance Placer Mine, La Porte, La Porte District, Plumas Co., California, USA
Only Hope Placer Mine, Gunsight Peak, Humbug District, Klamath Mts, Siskiyou Co., California, USA
Only Occurrences, McGrath District, Bethel Borough, Alaska, USA
Only saltpeter cave, Hickman Co., Tennessee, USA
Onnenai, Hokkaido, Japan
Önnestad, Kristianstad, Skåne, Sweden
Ono City, Fukui Prefecture, Chubu Region, Honshu Island, Japan
Ono-gun, Oita Prefecture, Kyushu Region, Japan
Onohana, Nagano Prefecture, Chubu Region, Honshu Island, Japan
Ono, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Onolite prospect (Onolite Mine), Weldon District, Kern Co., California, USA
Ono mine, Ono, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Onondaga Co., New York, USA
Onondaga drill cores, Ontonagon Co., Michigan, USA
Onondaga, Georgetown District, Clear Creek Co., Colorado, USA
Onondaga Mine (Pitt Pac Company), Mesabi Range, St. Louis Co., Minnesota, USA
Onondaga mine, Safford District, Eureka Co., Nevada, USA
Onondago Prospect, Amador Co., California, USA
Onon river, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Onot river, Eastern Sayan, Sayan Mts, Southern Siberia, Russia
Onoyama gold mine, Kagoshima Prefecture, Kyushu Region, Japan
Onseepkans farm, Northern Cape Province, South Africa
Onsen-cho, Minoo, Osaka Prefecture, Kinki Region, Honshu Island, Japan
Onsernone Valley, Centovalli, Ticino (Tessin), Switzerland
Onslow Co., North Carolina, USA
Onslow Quarry, Richlands, Onslow Co., North Carolina, USA
Onslow, Western Australia, Australia
Onslunda gruva, Onslunda, Tomelilla, Skåne, Sweden
Onslunda, Tomelilla, Skåne, Sweden
Ontario, Canada
Ontario, Central City District, Gilpin Co., Colorado, USA
Ontario claim, Breece Hill, Leadville, Leadville District, Lake Co., Colorado, USA
Ontario Claim, Goose Lake, Park Co., Montana, USA
Ontario Claim Group Mine, Silver City District (Carson District), Owyhee Co., Idaho, USA
Ontario Claim, Negro Creek, Negro Creek District, Blewett District (Peshastin District), Chelan Co., Washington, USA
Ontario claims, Boyle Mountain, Warm Springs District (Warm Springs Creek District), Blaine Co., Idaho, USA
Ontario Claim, Steeple Rock District, Grant Co., New Mexico, USA
Ontario Co., New York, USA
Ontario Creek Placer (Eddy Claim), Ontario District (Elliston District), Powell Co., Montana, USA
Ontario District (Elliston District), Powell Co., Montana, USA
Ontario, Dixie District, Idaho Co., Idaho, USA
Ontario Drain Tunnel No. 2 Portal (Park-Utah Group), Blue Ledge District (Bald Mountain), Wasatch Co., Utah, USA
Ontario Gem Mine, Pearl Station, Thunder Bay District, Ontario, Canada
Ontario; Key West; Boss; Gold Flake; Fair Fountain; Bondholder, Farncomb Hill, French Gulch, Breckenridge District, Summit Co., Colorado, USA
Ontario Lodes Mine, El Dorado Co., California, USA
Ontario Mine, Georgetown District (Southern Cross District; Cable District), Deer Lodge Co., Montana, USA
Ontario Mine, Green Mountain, Leadville District, Lake Co., Colorado, USA
Ontario Mine, Kellogg, Coeur d'Alene District, Shoshone Co., Idaho, USA
Ontario Mine, Ontario District (Elliston District), Powell Co., Montana, USA
Ontario Mine, Ontario, Ontario Township, Wayne Co., New York, USA
Ontario Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA
Ontario Minerals Claims, Inyo Co., California, USA
Ontario Mine, Silver Lake District, Wasatch Mts, Utah Co., Utah, USA
Ontario Mine, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA
Ontario No. 1 Drain Tunnel Portal (Ontario Group), Ontario Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA
Ontario No. 2 Shaft, Ontario Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA
Ontario No. 3 Shaft, Ontario Mine, Park City District (Uinta District), Wasatch Mts, Summit Co., Utah, USA
Ontario Peak, San Gabriel Mts, San Bernardino Co., California, USA
Ontario & Pearl Groups, Malheur Co., Oregon, USA
Ontario Reserve P-11, Mesabi Range, St. Louis Co., Minnesota, USA
Ontario Syndicate Mine, Homer, Mono Co., California, USA
Ontario Talc Company Mine, Fullerville, St. Lawrence Co., New York, USA
Ontario Township, Wayne Co., New York, USA
Ontario, Upper Union District (Empire District), Clear Creek Co., Colorado, USA
Ontko Occurrence, Howard District (Ochoco District; Bolivar District), Crook Co., Oregon, USA
Ontonagon Boulder, Ontonagon River, Ontonagon Co., Michigan, USA
Ontonagon Co., Michigan, USA
Ontonagon Mine (1), Rockland, Ontonagon Co., Michigan, USA
Ontonagon Mine (2), Victoria, Ontonagon Co., Michigan, USA
Ontonagon River, Ontonagon Co., Michigan, USA
Ontonagon Silver Mine, Silver City, Ontonagon Co., Michigan, USA
Ontop Mine, Mount Ararat, Plumas Co., California, USA
Önundarfjorður, Vestur-Isafjarðarsýsla, Iceland
Onverwacht Mine, Lydenburg District, Eastern Bushveld Complex, Mpumalanga Province, South Africa
Onward Claim, Riverside Co., California, USA
Onway Lake, Raymond, Rockingham Co., New Hampshire, USA
Onyx Ace Hill quarry, Plattsmouth, Cass Co., Nebraska, USA
Onyx Cave (Cave Hill deposit), Greaterville District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Onyx Hill Quarry, Rockingham Co., Virginia, USA
Onyx Mine, Mariposa Co., California, USA
Onyx Mine, San Bernardino Co., California, USA
Onyx mine, Upper Mississippi Valley District, Grant Co., Wisconsin, USA
Onyx Nos. 1 & 2 Prospect, Tulare Co., California, USA
Onyx Quarry, Yavapai Co., Arizona, USA
Onyx Ranch, Salt Lake Co., Utah, USA
Onzon river alluvials, La Tour-en-Jarez, Saint-Etienne, Loire, Rhône-Alpes, France
Oofty Goofty Mine, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA
Oohoo Mine, Caballo Mountain District, Sierra Co., New Mexico, USA
Ookueyama, Kitagawa, Nobeoka City, Miyazaki prefecture, Kyushu Region, Japan
Oolite Rock Limestone Quarry, Miami-Dade Co., Florida, USA
Ooloo Mine (Rieck's), Mount Freeling homestead, North Flinders Ranges, Flinders Ranges, South Australia, Australia
Ooltewah Road, Ringgold, Catoosa Co., Georgia, USA
O. O. Mine (Rose Hill No. 2), Calaveras Co., California, USA
Oom Paul Mine, Lelande, Coeur d'Alene District, Shoshone Co., Idaho, USA
Oom Paul Mine, Mariposa Co., California, USA
Oomph Claims (Lindner Prospect), Inyo Co., California, USA
Oonah Mine, Zeehan, Zeehan district, Tasmania, Australia
Oonara (Ohnara), Sambagawa, Oniishi-machi (Onishi-machi), Tano-gun, Gunma Prefecture, Kanto Region, Honshu Island, Japan
Oostanaula Creek Area, McMinn Co., Tennessee, USA
Oostanaula River, Gordon Co., Georgia, USA
Oos valley, Baden-Baden, Black Forest, Baden-Württemberg, Germany
Ootmarsum, Overijssel, Netherlands
Ootsa Lake, Omenica Mining Division, British Columbia, Canada
Opache Cu deposit, Calama, El Loa Province, Antofagasta Region, Chile
Opal Butte, Morrow Co., Oregon, USA
Opal Canyon, Inyo Mts (Inyo Range), Inyo Co., California, USA
Opal Claims, Pumpkin Buttes District, Johnson Co., Wyoming, USA
Opal Creek Occurrence, Ochoco Creek, Jefferson Co., Oregon, USA
Opal Creek Placer, Seafoam District, Custer Co., Idaho, USA
Opalene Gulch, Givens Springs Area, Owyhee Co., Idaho, USA
Opalescent Quarry (Cold Spring Granite Co), Stearns Co., Minnesota, USA
Opal Extension and South Opal Group Prospect (New Joshua), Kern Co., California, USA
Opal Hill claims, Contact District, Elko Co., Nevada, USA
Opal Hill, Fruita, Mesa Co., Colorado, USA
Opal Hill, Mesa Co., Colorado, USA
Opal Hill Mine, Mule Mts, Riverside Co., California, USA
Opaline, Owyhee Co., Idaho, USA
Opaline silica quarry of Basic Inc., Gabbs District, Nye Co., Nevada, USA
Opalite District, Humboldt Co., Nevada, USA
Opalite District (McDermitt District), Malheur Co., Oregon, USA
Opalite Mine, Opalite District, Humboldt Co., Nevada, USA
Opalite Mine, Opalite District (McDermitt District), Malheur Co., Oregon, USA
Opalite Mine (Western Minerals Company), Quartz Mountain, Lake Co., Oregon, USA
Opal Lose, Shaft 371, Schlema-Hartenstein District, Erzgebirge, Saxony, Germany
Opal Mine, Granite and North Granite Districts, Mineral Range, Beaver Co., Utah, USA
Opal Mine (San Pedro Nos. 1-6 Opal Mine), Waucoba District, Mazourka Roadless Area Review & Evaluation (RARE) II Area, Inyo Co., California, USA
Opal Mountain Clinoptilolite prospect, Opal Mountain, San Bernardino Co., California, USA
Opal Mountain Occurrence, Ochoco Creek, Jefferson Co., Oregon, USA
Opal Mountains Agate Field prospect (Black Mountain), Opal Mountain, San Bernardino Co., California, USA
Opal Mountain, San Bernardino Co., California, USA
Opal occurrence, Nioro du Sahel Circle, Kayes Region, Mali
Opal; Opal Annex claims (White Hill No. 1), Huntington Creek District, Elko Co., Nevada, USA
Opal Prospect (MRDS - 10141173), San Bernardino Co., California, USA
Opal prospect (Opal Mine), Piute Mountain District, Kern Co., California, USA
Opal Prospect T. 16 N. (MRDS - 10164802), San Bernardino Co., California, USA
Opal Prospect, Willow Creek District, Matanuska-Susitna Borough, Alaska, USA
Opal Queen group, Virgin Valley District, Humboldt Co., Nevada, USA
Opal Spring, Jefferson Co., Oregon, USA
Opal; Tiger Mining Co. Mine, Nelchina District, Valdez-Cordova Borough, Alaska, USA
Opalton, Winton Shire, Queensland, Australia
Opatów District, Świętokrzyskie Mts (Holy Cross Mts), Świętokrzyskie, Poland
Opava, Moravia-Silesia Region, Moravia (Mähren; Maehren), Czech Republic
O. P. David Mine, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Opeche formation, Butte Co., South Dakota, USA
Opeche formation, Harding Co., South Dakota, USA
Opec pits (de Souza pit), B-Block Mine, Merelani Hills (Mererani), Lelatema Mts, Arusha Region, Tanzania
Opegoi, Weitchpec District, Klamath Mts, Humboldt Co., California, USA
Opelika Quartzite Quarry, Lee Co., Alabama, USA
Opemisca deposits, Chapais, Nord-du-Québec, Québec, Canada
Open Cut Mine, Pumpkin Flat, Lightning Ridge, Finch Co., New South Wales, Australia
Open Cut (MRDS - 10240096), Uravan District, Montrose Co., Colorado, USA
Opening No. 10 Prospect, Martin Co., Indiana, USA
Opening No. 11 Prospect, Martin Co., Indiana, USA
Opening No. 12 Prospect, Martin Co., Indiana, USA
Opening No. 13 Prospect, Martin Co., Indiana, USA
Opening No. 14 Prospect, Martin Co., Indiana, USA
Opening No. 15 Prospect, Martin Co., Indiana, USA
Opening No. 16 Prospect, Martin Co., Indiana, USA
Opening No. 17 Prospect, Martin Co., Indiana, USA
Opening No. 18 Prospect, Martin Co., Indiana, USA
Opening No. 19 Prospect, Martin Co., Indiana, USA
Opening No. 20 Prospect, Martin Co., Indiana, USA
Opening No. 22 Prospect, Martin Co., Indiana, USA
Opening No. 23 Prospect, Martin Co., Indiana, USA
Opening No. 4 Prospect, Martin Co., Indiana, USA
Opening No. 5 Prospect, Martin Co., Indiana, USA
Opening No. 6 Prospect, Martin Co., Indiana, USA
Opening No. 7 Prospect, Martin Co., Indiana, USA
Opening No. 8 Prospect, Martin Co., Indiana, USA
Opening No. 9 Prospect, Martin Co., Indiana, USA
Open Pit Mine Otherwise Unidentified (MRDS - 10263024), Tuolumne Co., California, USA
Open Pit Section 28-33 3-10, Converse Co., Wyoming, USA
Open Pit Sections 28 and 33 (Bill Smith Open Pit), Converse Co., Wyoming, USA
Opera Box Mine (Aztec Mine), Gypsum Valley, Montrose Co., Colorado, USA
Operator Consolidated Mine (Valverde Mine; Phoenix Mine; Operator Divide Mine; Styx claims), Randsburg, Rand District, Kern Co., California, USA
Opex Prospect (Empire Mines Company), Tintic District, East Tintic Mts, Juab Co., Utah, USA
Ophara Tank Mine, Yancowinna Co., New South Wales, Australia
Ophelia Claim, Organ District, Doña Ana Co., New Mexico, USA
Ophelia, Edgemont Uranium District, Fall River Co., South Dakota, USA
Ophelia Tunnel (Gold Exploration; Moffat Tunnel), Cripple Creek District, Teller Co., Colorado, USA
Ophir; Argo, Idaho Springs District, Clear Creek Co., Colorado, USA
Ophir Canyon Prospect, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir Canyon, Twin River District, Nye Co., Nevada, USA
Ophir Cave, Ophir District, Lewis and Clark Co., Montana, USA
Ophir Claim, Rose Mountain District (Gold Creek District), Granite Co., Montana, USA
Ophir Coalition Mine (Montana Mine), Ophir Hill area, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir Consolidated Mine, Calaveras Co., California, USA
Ophir Consolidated; Red Hill & Woodstock Extension Mine, Calaveras Co., California, USA
Ophir Creek Claims, Ophir Creek District, Custer Co., Colorado, USA
Ophir Creek District, Custer Co., Colorado, USA
Ophir Creek, Lewis and Clark Co., Montana, USA
Ophir Creek Mine (ARDF - BN099), Council District, Nome Borough, Alaska, USA
Ophir Creek Mine (ARDF - SO053), Council District, Nome Borough, Alaska, USA
Ophir Creek Mine, Ruby District, Yukon-Koyukuk Borough, Alaska, USA
Ophir Creek Mines, Innoko District, Yukon-Koyukuk Borough, Alaska, USA
Ophir Creek Mine, Tolovana District, Yukon-Koyukuk Borough, Alaska, USA
Ophir Creek, Ophir District, Powell Co., Montana, USA
Ophir Creek placer ground (Au; Ag), Twin River District, Nye Co., Nevada, USA
Ophir Creek Prospect, Aniak District, Bethel Borough, Alaska, USA
Ophir, Cripple Creek District, Teller Co., Colorado, USA
Ophir District (Auburn District), Placer Co., California, USA
Ophir District, Lewis and Clark Co., Montana, USA
Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir District, Powell Co., Montana, USA
Ophir District, San Miguel Co., Colorado, USA
Ophir Duncan Hill, Ophir District (Auburn District), Placer Co., California, USA
Ophir Group, Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA
Ophir Gulch, Greaterville placer deposits, Greaterville, Greaterville District, Santa Rita Mts, Pima Co., Arizona, USA
Ophir Gulch placers, Ophir District, Powell Co., Montana, USA
Ophir; Hartford; Chilkat; Selkirk; Acropolis Prospect, Juneau District, Juneau Borough, Alaska, USA
Ophir Hill area, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir Hill Consolidated Mine, Ophir Hill area, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir Hill (Ophir), Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir Iron Springs, Ophir District, San Miguel Co., Colorado, USA
Ophir Lode (Wickieup Creek), Idaho Co., Idaho, USA
Ophir Mine (Arizona Ophir Mine), Old Glory Mine group, Ruby, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Ophir Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Ophir Mine, Central City District, Gilpin Co., Colorado, USA
Ophir Mine, Comstock Lode, Comstock District, Storey Co., Nevada, USA
Ophir Mine, El Dorado Co., California, USA
Ophir Mine, Empire District, Empire Mts, Pima Co., Arizona, USA
Ophir Mine (Fair Forest Mine; Thompson Mine), Union Co., South Carolina, USA
Ophir Mine, Horseshoe Basin District, Park Co., Colorado, USA
Ophir Mine, Mariposa Co., California, USA
Ophir Mine, Mineral Hill District, Blaine Co., Idaho, USA
Ophir mine, Northern Territory, Australia
Ophir Mine (Orpha Mine), Castle Dome District, Castle Dome Mts, Yuma Co., Arizona, USA
Ophir Mine, Quartzburg District (Comer District), Grant Co., Oregon, USA
Ophir Mine (Reservior and Ophir Patents), Ophir District, Powell Co., Montana, USA
Ophir Mine, Rocky Bar District, Elmore Co., Idaho, USA
Ophir Mine, Sierra Co., California, USA
Ophir Mine, Slate Range, San Bernardino Co., California, USA
Ophir Mine, Soulsbyville, Soulsbyville & Confidence District, East Belt area, Tuolumne Co., California, USA
Ophir Mine, Susanville District (Comer District), Grant Co., Oregon, USA
Ophir mine, Tybo District, Nye Co., Nevada, USA
Ophir Mine (Uncle Sam Mine), Trona, Slate Range, Inyo Co., California, USA
Ophir, Montgomery Co., North Carolina, USA
Ophir Mountain Mine, Darwin, Darwin District, Inyo Co., California, USA
Ophir Mountain Mine, Ophir Mountain, Murray District (Summit District), Shoshone Co., Idaho, USA
Ophir Mountain, Murray District (Summit District), Shoshone Co., Idaho, USA
Ophir, Nederland District, Boulder Co., Colorado, USA
Ophir (Nucla; Golden Gate; Red Sox; Cliff Dweller; Blackrock; Fourth of July; Worchester), Uravan District, Montrose Co., Colorado, USA
Ophir Occurrence, Bohemia District (Champion District), Lane Co., Oregon, USA
Ophir Occurrence, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir Occurrence (Valley Queen), Bald Mountain District, Grant Co., Oregon, USA
Ophir, Ophir District (Auburn District), Placer Co., California, USA
Ophir, Ophir District, San Miguel Co., Colorado, USA
Ophir Patented claim 266, Yavapai Co., Arizona, USA
Ophir Placer (Elizabeth Beal), Calaveras Co., California, USA
Ophir Placer Mine, Yuba Co., California, USA
Ophir Placer prospect, Soulsbyville, Soulsbyville & Confidence District, East Belt area, Tuolumne Co., California, USA
Ophir prospect, Greaterville District, Santa Rita Mts, Pima Co., Arizona, USA
Ophir prospect, Plaskett, Los Burros District, Santa Lucia Mts (Santa Lucia Range), Monterey Co., California, USA
Ophir Queen, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir-Rush Valley, Ophir District, Oquirrh Mts, Tooele Co., Utah, USA
Ophir shaft, Union Hill, Reese River District, Lander Co., Nevada, USA
Ophir Tungsten area (Ophir prospects; Ophir claim), Wabayuma Peak Wilderness Area, Ophir District, Hualapai (Hualpai) Mts, Mohave Co., Arizona, USA
Ophir Tunnel (1), Ophir District, San Miguel Co., Colorado, USA
Ophir Tunnel (2), Telluride District, San Miguel Co., Colorado, USA
Ophir, Tuolumne Co., California, USA
Ophir Valley Occurrence (New Dominion; Nevada Gulch; Silver Tip Lower Yellow Jacket; Chapman Gulch), Ophir District, San Miguel Co., Colorado, USA
Ophir, Wellington Co., New South Wales, Australia
Ophite outcrop, Saint Etienne-de-Baigorry, Pyrénées-Atlantiques, Aquitaine, France
Ophite quarries, Lourdes, Hautes-Pyrénées, Midi-Pyrénées, France
Ophite Quarrys, Salies-du-Salat, Haute-Garonne, Midi-Pyrénées, France
Opie Quarry, Lafayette Co., Wisconsin, USA
Opinicon Lake Mine, Opinicon Lake, Bedford Township, Frontenac Co., Ontario, Canada
Opinicon Lake, Storrington Township, Frontenac Co., Ontario, Canada
Opinicon Rock Lake Mine, Opinicon Lake, Storrington Township, Frontenac Co., Ontario, Canada
Oploca mine, Atocha-Quechisla District, Sud Chichas Province, Potosí Department, Bolivia
Oploca Vein System (Oploca mine), Pirquitas Ag-Sn Deposit, Rinconada Department, Jujuy, Argentina
Oplustilberg, Petrov nad Desnou (Petersdorf an der Tess), Šumperk (Mährisch Schönberg), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Oplustilberg, Sobotín (Zöptau; Zoeptau), Šumperk (Mährisch Schönberg), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
O. P. Mine (Proxham Park Mine), Mount Kelly, Gunpowder District, Mount Isa - Cloncurry area, Queensland, Australia
Opo Bay (South East Bay), Mayor Island (Tuhua), New Zealand
Opohonga Mine, Tintic District, East Tintic Mts, Juab Co., Utah, USA
Opohonga Stope, Gold Chain Mine, Tintic District, East Tintic Mts, Juab Co., Utah, USA
Opole, Opolskie, Poland
Opolskie, Poland
Opononi, Northland, North Island, New Zealand
OP orebody, Cluff Lake Uranium Mine, Saskatchewan, Canada
Opornyi pegmatite, Zunshibir' valley, Ermakovskoe Be Deposit, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Opositora Mine, La Campana District, Quillota Province, Valparaíso Region, Chile
Opossum Creek, Salem township, Monroe Co., Ohio, USA
Opouteke-Pakotai area, North Island, New Zealand
Opouteke Range, Pakotai, North Island, New Zealand
Oppdal, Sør-Trøndelag, Norway
Oppenau, Oberkirch, Black Forest, Baden-Württemberg, Germany
Oppenberg, Niedere Tauern, Styria, Austria
Oppermann limestone quarry, Emmenhausen, Göttingen, Lower Saxony, Germany
Oppie Quarry (Oscar Zwolaney Lime & Gravel Company), Lafayette Co., Wisconsin, USA
Oppland, Norway
Oppljodvatnet, Stryn, Sogn og Fjordane, Norway
Oppmanna, Kristianstad, Skåne, Sweden
Opp Mine (Demmer; Winkler; U. S. Government Land; Gold Canyon), Jacksonville District, Jackson Co., Oregon, USA
Opportunity Claim, Nooksack River, Twin Sisters Mountain, Sisters District, Whatcom Co., Washington, USA
Opportunity Group of Mines (Opportunity Mine), Keyesville (Keysville), Keyesville District (Keysville District), Kern Co., California, USA
Opportunity Mine, Hillsboro District, Sierra Co., New Mexico, USA
Opportunity Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA
Opportunity, Pend Oreille District, Bonner Co., Idaho, USA
Opportunity Prospect, Inyo Co., California, USA
Oppossum Reef, Kangaroo Flat, Victoria, Australia
Opprebais, Incourt, Walloon Brabant Province, Belgium
Oppsjøen Mine, Oppsjø, Dikemark, Asker, Akershus, Norway
Oppu mine, Nishimeya-mura, Naka-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Opsata Mine, Ophir District, Powell Co., Montana, USA
Optimo No. 2 Mine, Linden, Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Optimo No. 3 Mine (Rolling Mine), Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Optimo No. 4 Mine (Fearless), Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Optimo prospect (Blue Gold), Luis Lopez manganese District, Socorro Co., New Mexico, USA
Option No. 1 Claim (Hammond No. 1; Worthless No. 1), Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
Option Occurrence, Placer Center, Coeur d'Alene District, Shoshone Co., Idaho, USA
Optisima claim, La Providencia Mines, Andara Mining District, Cillorigo de Liébana, Cantabria, Spain
O.P., Tuolumne Co., California, USA
Opulent Claim, Bingham District (West Mountain District), Oquirrh Mts, Salt Lake Co., Utah, USA
Opulent Mine, Riverside Co., California, USA
Opuwo District, Kunene Region, Namibia
Oqueque Mine, Tyrone Area, Burro Mountains District, Grant Co., New Mexico, USA
O'Quinn Creek, Fayette Co., Texas, USA
Oquirrh Mts, Salt Lake Co., Utah, USA
Oquirrh Mts - Southern part, Oquirrh Mts, Tooele Co., Utah, USA
Oquirrh Mts, Tooele Co., Utah, USA
Oquirrh Mts, Utah Co., Utah, USA
Ora Anna Quartz Mine (Crescent City Mine), Bald Hill, Klamath Mts, Del Norte Co., California, USA
Ora Astra Prospect, Beaverhead District (Dark Horse District), Beaverhead Co., Montana, USA
Ora Banda, Coolgardie Shire, Western Australia, Australia
Oracle area, Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pinal Co., Arizona, USA
Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pima Co., Arizona, USA
Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pinal Co., Arizona, USA
Oracle, Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pinal Co., Arizona, USA
Oracle Prospect, Kern Co., California, USA
Oracle Ridge Mine (Marble Peak; Control Copper property), Oracle District (Control District; Old Hat District; Santa Catalina District), Santa Catalina Mts, Pima Co. & Pinal Co., Arizona, USA
Orada mine, Pias, Serpa, Beja District, Portugal
Oradea, Bihor Co., Romania
Ora group (Ora No. 1 claim; Ord group; Ora No. 2 claim; Roocky Genes claim), Julian, Julian District, San Diego Co., California, USA
Ora Hans prospect, Hidden Valley Lake, Lake Co., California, USA
Orahood Bank, Jefferson Co., Colorado, USA
Oraibi Prospect, Shadow Mtns. (South) Area, San Bernardino Co., California, USA
Ora Jones Farm Deposit, Goose Creek District, Twin Falls Co., Idaho, USA
Ora Lewa, Yuba Co., California, USA
Oral, Fall River Co., South Dakota, USA
Oral Grand Occurrence (Oro Grant; Oro Grand; Oral Grand 2), Canyon Creek District, Grant Co., Oregon, USA
Ora Lovell claim (Illinois claim; Silver Prince claim), Pahranagat District, Lincoln Co., Nevada, USA
Oral Rayon (Uralsk Rayon), Western Kazakhstan Province (Batys Qazaqstan Oblysy; Zapadno-Kazakhstanskaya Oblast'), Kazakhstan
Ora Mae mine, Gold Point District, Esmeralda Co., Nevada, USA
Ora Marmo Occurrence, Malheur District (Mormon Basin District), Malheur Co., Oregon, USA
Ora May claim, Turquoise District (Courtland-Gleeson District), Dragoon Mts, Cochise Co., Arizona, USA
Ora Mine, Bossburg, Northport District, Stevens Co., Washington, USA
Ora Mine, Garden Spring Canyon, Bingham, Hansonburg District, Socorro Co., New Mexico, USA
Ora mine, Liberty pit, Liberty pit (Big pit), Liberty pit, Robinson District, White Pine Co., Nevada, USA
Oram mine, Brandon, Rutland Co., Vermont, USA
Orandake, Central City District, Gilpin Co., Colorado, USA
Orando Claim (Leavenworth Claim), Orando, Chelan Co., Washington, USA
Orange and Poppy Placer Mine, Threemile Rock, Plumas Co., California, USA
Orange Blossom Group (Manning), Kern Co., California, USA
Orange Blossom Mine (Cavagnaro), Mariposa Co., California, USA
Orange Blossom Prospect (Orange Blossom Extension; Gold Coin), San Bernardino Co., California, USA
Orangeburg Co., South Carolina, USA
Orange Co., California, USA
Orange Co., Florida, USA
Orange Co., Indiana, USA
Orange Co., New York, USA
Orange Co., North Carolina, USA
Orange Co., Vermont, USA
Orange Co., Virginia, USA
Orange, Franklin Co., Massachusetts, USA
Orange Free State mine, Murchison Range, Limpopo Province, South Africa
Orange, Grafton Co., New Hampshire, USA
Orange Grove Prospect, Gold-Pyrite Belt, Orange Co., Virginia, USA
Orange Hill Prospect, Chisana District, Valdez-Cordova Borough, Alaska, USA
Orange mine, Prospect Ridge, Eureka District, Eureka Co., Nevada, USA
Orange Mountain Prospect, Alaska Peninsula District, Aleutians East Borough, Alaska, USA
Orange, New Haven Co., Connecticut, USA
Orange pegmatite locality, Orange, Franklin Co., Massachusetts, USA
Orange Plains Mine, Tottenham, Kennedy Co., New South Wales, Australia
Orange Point Deposit Prospects, Juneau District, Skagway-Hoonah-Angoon Borough, Alaska, USA
Orange Quarry Co. Quarry (Eagle Rock Quarry), West Orange, Essex Co., New Jersey, USA
Orange Quarry, Placentia, Orange Co., California, USA
Orange River mining area, Karas Region, Namibia
Orange River, Namaqualand, Northern Cape Province, South Africa
Orange River, Northern Cape Province, South Africa
Orange River, Warmbad, Karasburg District, Karas Region, Namibia
Orangetown, Rockland Co., New York, USA
Orange Walk District, Belize
Orani, Nuoro Province, Sardinia, Italy
Oranjemund, Orange River mining area, Karas Region, Namibia
Oranje-Nassau-III mine, Heerlen, Limburg, Netherlands
Oranje-Nassau-II mine, Schaesberg, Landgraaf, Limburg, Netherlands
Oranje-Nassau-I mine, Heerlen, Limburg, Netherlands
Oranje-Nassau-IV mine, Heerlen, Limburg, Netherlands
Oran Mine, Konnerud, Drammen, Buskerud, Norway
Ora No. 1 Claim, Kern Co., California, USA
Oran Province, Algeria
Orapa, Letlhakane District, Central District, Botswana
Orapa Mine, Orapa, Letlhakane District, Central District, Botswana
Oraparinna Asbestos Mine, Oraparinna homestead, Bunkers Range, South Flinders Ranges, Flinders Ranges, South Australia, Australia
Oraparinna Hill, Oraparinna homestead, Bunkers Range, South Flinders Ranges, Flinders Ranges, South Australia, Australia
Oraparinna homestead, Bunkers Range, South Flinders Ranges, Flinders Ranges, South Australia, Australia
Oraparinna Mine (Oraparinna Barytes Mine), Oraparinna homestead, Bunkers Range, South Flinders Ranges, Flinders Ranges, South Australia, Australia
Ora prospect, Bromide No. 2 District, Rio Arriba Co., New Mexico, USA
Ora S. Causby Mine (Bonanza No. 1; Bonanza No. 2; Clay Quartz; Wanda Blanche), Tuolumne Co., California, USA
Øraskarđ, Øravik, Suduroy island, Faroe Islands (Faeroe Islands; Faeroes; Faroes), Denmark
Oratunga Mine, Blinman, North Flinders Ranges, Flinders Ranges, South Australia, Australia
Oraviţa-Ciclova Cu-Mo-(W) ore field, Banat Mts, Caras-Severin Co., Romania
Oraviţa (Oravicza; Orawitza), Oraviţa-Ciclova Cu-Mo-(W) ore field, Banat Mts, Caras-Severin Co., Romania
Oravská Magura Mts, Žilina Region, Slovakia
Orazada Mine, McCoy Lake, Deer Trail District, Stevens Co., Washington, USA
Orba stream, Alessandria Province, Piedmont, Italy
Orbeillaz Mine, Challant Saint-Anselme, Ayas Valley, Aosta Valley, Italy
Orberg - Badberg area, Schelingen, Kaiserstuhl, Baden-Württemberg, Germany
Orberg Quarry, Orberg - Badberg area, Schelingen, Kaiserstuhl, Baden-Württemberg, Germany
Orbost, Victoria, Australia
Orb river alluvials, Tarassac, Mons, Olargues, Hérault, Languedoc-Roussillon, France
Orchan mine, Matagami, Nord-du-Québec, Québec, Canada
Orchan West deposit, Matagami, Nord-du-Québec, Québec, Canada
Orchard, Ash Lawn, Albemarle Co., Virginia, USA
Orchard Deposits (Dunbar Property), Havasu Lake, San Bernardino Co., California, USA
Orchard dome, Orchard, Fort Bend Co., Texas, USA
Orchard Mine, Port Oram, Randolph Township, Morris Co., New Jersey, USA
Orchard Quarry, Buckfield, Oxford Co., Maine, USA
Orchard Quarry, Prideaux, Luxulyan, St Austell District, Cornwall, England, UK
Orchards, Clark Co., Washington, USA
Orchi, Conca della Campania, Roccamonfina Volcanic Complex, Caserta Province, Campania, Italy
Orchid Mine, Adams Mountain, Cedar Canyon District, Stevens Co., Washington, USA
Orchid No. 2 Mine, Riverside Co., California, USA
Orchin Mine, St. Ives gold camp, Kambalda, Coolgardie Shire, Western Australia, Australia
Orciatico, Lajatico, Pisa Province, Tuscany, Italy
Orcopampa District, Castilla Province, Arequipa Department, Peru
Orcopampa Mine, Orcopampa District, Castilla Province, Arequipa Department, Peru
Orco stream, Torino Province, Piedmont, Italy
Orco Valley, Codera Valley, Novate Mezzola, Sondrio Province, Lombardy, Italy
Orco Valley, Torino Province, Piedmont, Italy
Orcutt Hydraulic Mine, Yoakumville, Klamath Mts, Siskiyou Co., California, USA
Orcutt Placer Mine, Somes Bar area, Klamath Mts, Humboldt Co., California, USA
Orcutt, Santa Barbara Co., California, USA
Orczy Adit, Parádfürdő, Mátra Mts., Heves Co., Hungary
Ordagna Creek, Viù, Viù Valley, Lanzo Valley, Sesia-Lanzo zone, Torino Province, Piedmont, Italy
Orda, Permskaya Oblast', Middle Urals, Urals Region, Russia
Ord Bain, Loch an Eilein, North West Highlands (Inverness-shire), Scotland, UK
Ord Belt Mine, Ord District, Ord Mts, San Bernardino Co., California, USA
Ord District, Ord Mts, San Bernardino Co., California, USA
Ordean-Allen Pit (Minorca Taconite Company; Inland Steel Company), Mesabi Range, St. Louis Co., Minnesota, USA
Ord Mine (Ord Mercury Mine; Ord group; Indian claims), Slate Creek, Reno Pass, Sunflower District (Mazatzal Mountains District; Quicksilver District), Mazatzal Mts, Gila Co., Arizona, USA
Ord Mountain Iron prospect (Newberry Mountains Mine; Ord Mountain Mine), Daggett, Ord District, Ord Mts, San Bernardino Co., California, USA
Ord Mountain Mine (Ord Mine; Osborn Mine; Rio Vista Mine), Ord District, Ord Mts, San Bernardino Co., California, USA
Ord Mountain Mine (Ord Mountain Mine System; Ord Mine; Ord Mountain deposits; Osborn; Rio Vista), Ord District, Ord Mts, San Bernardino Co., California, USA
Ord Mountain, Ord District, Ord Mts, San Bernardino Co., California, USA
Ord Mountains Dolomite, San Bernardino Co., California, USA
Ord Mts, San Bernardino Co., California, USA
Ördög Hill, Sukoró, Velencei Mts., Fejér Co., Hungary
Ördöglyuk, Solymár, Budai Mts., Pest Co., Hungary
Ördögorom Hill, Budapest, Budai Mts., Pest Co., Hungary
Ordos League (E'erduosi Prefecture), Inner Mongolia Autonomous Region, China
Ordovician limestones, Limestone Co., Alabama, USA
Ordu Province, Black Sea Region, Turkey
Ord, Valley Co., Nebraska, USA
Ordway Pit, Wheeler Co., Oregon, USA
Ordway Quarry, Topsham, Sagadahoc Co., Maine, USA
Ordway Tungsten Occurrence (Taber Ordway), Kootenai Co., Idaho, USA
Oreamnos Lake, Sawtooth Batholith/Sawtooth Mts, Boise Co., Idaho, USA
Oreana Area, Owyhee Co., Idaho, USA
Oreana Tungsten mine (Little Tungsten mine), Rye Patch District, Pershing Co., Nevada, USA
O Rear Prospect, Illinois - Kentucky Fluorspar District, Pope Co., Illinois, USA
Ore Bag claim, Seeley group, Chorro, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Orebank Barite Mine (Orebank Iron Prospects), Fall Branch Barite District, Sullivan Co., Tennessee, USA
Ore Bank Iron Mines (MRDS - 10025893), Greene Co., Tennessee, USA
Ore Bank Mine, Augusta Co., Virginia, USA
Ore Bank No. 6 (Convict Bank), Bartow Co., Georgia, USA
Ore Bank Prospect, Jefferson Co., West Virginia, USA
Orebody 31, Luobusha Mine ("Luobusa" Mine), Luobusha ophiolite ("Luobusa ophiolite"), Qusum (Qusong) Co., Shannan (Lhokha; Lhoka) Prefecture, Tibet Autonomous Region, China
Ore Body (MRDS - 10190497), Costilla Co., Colorado, USA
Ore Body Occurrence (MRDS - 10170862), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Body Occurrence (MRDS - 10194110), Gogebic iron range, Gogebic Co., Michigan, USA
Örebro, Närke, Sweden
Oreburg Pit, Floyd Co., Georgia, USA
Ore Cache Mine (Oro Cache Mine), White Mud Lake, Stevens Co., Washington, USA
Ore Chimney Mine, Bishop Corners, Barrie Township, Frontenac Co., Ontario, Canada
Ore-Con properties, Yavapai Co., Arizona, USA
Oredell Mine (Oremont; C. B. Arrington Property), Polk Co., Georgia, USA
Ore Drag mine, Iron Hat District, Pershing Co., Nevada, USA
Ore Drag mine, Tobin and Sonoma Range District, Pershing Co., Nevada, USA
Ore dumps, Richelsdorf Smelter, Süss, Richelsdorf District, Hesse, Germany
Ore Finder Group, Pleasant View District, Ravalli Co., Montana, USA
Ore Finea Diggens, Calaveras Co., California, USA
Oreganal Mine, Mun. de Barrancas, La Guajira Department, Colombia
Oregan Ridge, Baltimore Co., Maryland, USA
Ore Gap, Esk Pike, North and Western Region (Cumberland), Cumbria, England, UK
Ore Gap Prospect, Wilkes Co., North Carolina, USA
Öregkő, Bajót, Gerecse Mts., Komárom-Esztergom Co., Hungary
Oregon Bauxite Deposit, Columbia Co., Oregon, USA
Oregon Beauty Claim, Powell Creek District, Josephine Co., Oregon, USA
Oregon Belle Mine, Applegate District, Jackson Co., Oregon, USA
Oregon Bonanza Mine, Powell Creek District, Josephine Co., Oregon, USA
Oregon Buttes Area, Fremont Co., Wyoming, USA
Oregon Calcite Corporation Occurrence, Josephine Co., Oregon, USA
Oregon Caves National Monument Occurrence (Cave Creek), Waldo District, Josephine Co., Oregon, USA
Oregon Chief Mine, Cable Cove District, Baker Co., Oregon, USA
Oregon Chief Occurrence (MRDS - 10032732), Rye Valley District (Mormon Basin District), Baker Co., Oregon, USA
Oregon Chrome Mines Property (Illinois River Mine; Black Beauty; Robertson Mine), Illinois River District, Josephine Co., Oregon, USA
Oregon Chrome Occurrence, South Fork Area, Grant Co., Oregon, USA
Oregon City, Clackamas Co., Oregon, USA
Oregon claim, Sierra Co., California, USA
Oregon Claims (Unpatented Claims: Oregon No. 1; Oregon No. 2), Needle Mountain District (Tacoma District; Florida District; Vallecito District), La Plata Co., Colorado, USA
Oregon Clay Products, Malheur Co., Oregon, USA
Oregon-Colorado Occurrence, Bohemia District (Champion District), Lane Co., Oregon, USA
Oregon Consolidated, West Shasta Copper - Zinc District, Shasta Co., California, USA
Oregon Construction Company Quarry, Ogle Co., Illinois, USA
Oregon Copper Mine (Coconino Mine; Chicago Mine), Helvetia-Rosemont District, Santa Rita Mts, Pima Co., Arizona, USA
Oregon Creek Mine (below Nugget Gulch), Nome District, Nome Borough, Alaska, USA
Oregon Creek Mine, Nome District, Nome Borough, Alaska, USA
Oregon Creek Placer, Oregon Creek, Mineral Co., Montana, USA
Oregon Creek Prospect, Fortymile District, Southeast Fairbanks Borough, Alaska, USA
Oregon Creek Prospects, Koyukuk District, Yukon-Koyukuk Borough, Alaska, USA
Oregon Dredging Company, Upper Burnt River District, Baker Co., Oregon, USA
Oregon Emerald Tuff Quarry, Crook Co., Oregon, USA
Oregon Granite Quarry, Jackson Co., Oregon, USA
Oregon Grape Occurrence, Bear Creek District, Crook Co., Oregon, USA
Oregon Group Claims (Rapid River Mining Group), Idaho Co., Idaho, USA
Oregon group, Stanley District, Turnbull Mts, San Carlos Indian Reservation, Graham Co., Arizona, USA
Oregon Gulch Gold Dredge, Trinity Co., California, USA
Oregon Gulch, Lewis and Clark Co., Montana, USA
Oregon Gulch Placer, North Fork District, Grant Co., Oregon, USA
Oregon Hill and Columbia Tunnel Placer, El Dorado Co., California, USA
Oregon-Idaho Silver-Gold, Shoshone Co., Idaho, USA
Oregon Jade Mine, Durkee, Baker Co., Oregon, USA
Oregon King Mine, Horse Heaven District, Jefferson Co., Oregon, USA
Oregon Lime Products Mine (Washington Lime & Brick), Josephine Co., Oregon, USA
Oregon Mine (Cool Springs claims), Plaskett, Los Burros District, Santa Lucia Mts (Santa Lucia Range), Monterey Co., California, USA
Oregon Mine (French Mine), Hedley, Osoyoos Mining Division, British Columbia, Canada
Oregon Mine (Kate Hays; Crescent), Grass Valley, Nevada City District (Grass Valley District), Nevada Co., California, USA
Oregon Mine (Little Fort Valley Mines), Little Fort Valley, Shenandoah Co., Virginia, USA
Oregon Mine, Mohave Co., Arizona, USA
Oregon Mine, Nederland, Nederland District, Boulder Co., Colorado, USA
Oregon Mine, Oregon-Prompter mine group, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
Oregon Mine, Placerville (Hangtown), Placerville District, El Dorado Co., California, USA
Oregon Mine, Upper Mississippi Valley District, Lafayette Co., Wisconsin, USA
Oregon Mine, Uravan District, Montrose Co., Colorado, USA
Oregon Mining and Power Company (Cracker Jack?), Douglas Co., Oregon, USA
Oregon Mining Company Occurrence, Upper Burnt River District, Baker Co., Oregon, USA
Oregon Monarch Occurrence, Red Boy District / Granite Area, Grant Co., Oregon, USA
Oregon Mountain Area Prospect, Crevasse District (Crevice District; Jardine District), Park Co., Montana, USA
Oregon No. 1½ pegmatite (Raleigh Peak Big Bear pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
Oregon No. 1 pegmatite (Raleigh Peak No. 2 and 2a pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
Oregon No. 2½ pegmatite (Raleigh Peak No. 4 pegmatite; Big Dick pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
Oregon No. 2 pegmatite (Raleigh Peak No. 3 pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
Oregon No. 3 Mine (Quartz Knob; White Cap-Raleigh Peak group), South Platte Pegmatite District, Jefferson Co., Colorado, USA
Oregon no. 5 claim, Ferber District, Elko Co., Nevada, USA
Oregon Nos.1; 2 & 3 and Little Patsy, Douglas Co., Colorado, USA
Oregon Occurrence, Adams Co., Idaho, USA
Oregon Occurrence (Wilson), Wallowa Range District, Wallowa Co., Oregon, USA
Oregon Ore Banks, Baltimore Co., Maryland, USA
Oregon Patented Prospect, Stillwater Complex, Park Co., Montana, USA
Oregon Placer Mines, Gold Hill District, Jackson Co., Oregon, USA
Oregon Plant & Quarry (Manley Quarry), Ogle Co., Illinois, USA
Oregon Portland Cement Company, Clackamas Co., Oregon, USA
Oregon Portland Cement Company, Douglas Co., Oregon, USA
Oregon Portland Cement Company, Lower Burnt River District, Baker Co., Oregon, USA
Oregon Portland Cement Company, Polk Co., Oregon, USA
Oregon Portland Cement Quarry (Oregon Portland Cement 1), Lower Burnt River District, Baker Co., Oregon, USA
Oregon-Prompter Mine group, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
Oregon Prospect, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
Oregon prospect, Kirwin District (Kerwin District), Park Co., Wyoming, USA
Oregon Prospect, Mineral Hill District (Pony District), Madison Co., Montana, USA
Oregon Quarry (W. Seitz Quarry), Ogle Co., Illinois, USA
Oregon Shaft, Idaho Springs District, Clear Creek Co., Colorado, USA
Oregon shaft, Lander Hill, Reese River District, Lander Co., Nevada, USA
Oregon Short Line mine, Bristol and Jackrabbit Districts, Lincoln Co., Nevada, USA
Oregon State Highway Division 2, Clackamas Co., Oregon, USA
Oregon State Highway Division (MRDS - 10051865), Benton Co., Oregon, USA
Oregon State Highway Division (MRDS - 10051866), Benton Co., Oregon, USA
Oregon State Highway Division (MRDS - 10051872), Washington Co., Oregon, USA
Oregon State Highway Division (MRDS - 10051874), Washington Co., Oregon, USA
Oregon State Highway Division (MRDS - 10128889), Washington Co., Oregon, USA
Oregon State Highway Division (MRDS - 10134631), Washington Co., Oregon, USA
Oregon State Highway Division (MRDS - 10153640), Washington Co., Oregon, USA
Oregon State Highway Division (MRDS - 10200887), Columbia Co., Oregon, USA
Oregon State Highway Division (MRDS - 10257055), Columbia Co., Oregon, USA
Oregon State Highway Division (MRDS - 10298939), Columbia Co., Oregon, USA
Oregon State Highway No. 1, Deschutes Co., Oregon, USA
Oregon State Pit 32-16-5, Wallowa Co., Oregon, USA
Oregon State University (MRDS - 10051877), Benton Co., Oregon, USA
Oregon State University (MRDS - 10051878), Benton Co., Oregon, USA
Oregon State University (MRDS - 10051879), Benton Co., Oregon, USA
Oregon State University (MRDS - 10051880), Benton Co., Oregon, USA
Oregon Technical Institute Occurrence, Klamath Co., Oregon, USA
Oregon Trail Occurrence, Virtue District, Baker Co., Oregon, USA
Oregon Tunnel Mine, Bonanza District (Kerber Creek District), Saguache Co., Colorado, USA
Oregon, USA
Oregon; Washington; Hula Hula Prospects, Ketchikan District, Prince of Wales-Outer Ketchikan Borough, Alaska, USA
Oregon Wonder Occurrence (Will Cleaver Group), Canyon City District, Grant Co., Oregon, USA
Ore Grande, Shasta Co., California, USA
Ore Hill Epidote localities, Ore Hill, Sugar Hill, Grafton Co., New Hampshire, USA
Ore Hill Mine, Carolina Slate Belt, Chatham Co., North Carolina, USA
Ore Hill Mine (Ore Hill Gold Mine), Monroe, Union Co., North Carolina, USA
Ore Hill Mine, Pacoima Canyon, San Gabriel Mts, Los Angeles Co., California, USA
Ore Hill Mine (Warren Silver-Lead Mine; Warren Zinc Mine), Warren, Grafton Co., New Hampshire, USA
Ore Hill Prospect, Chatham Co., North Carolina, USA
Ore Hill, Sugar Hill, Grafton Co., New Hampshire, USA
Ore House No. 32b Prospect, Dome District, Butte Co., Idaho, USA
Ore House No. 7 and 8 Prospect, Wilbert Mine (Daisy Black), Dome District, Butte Co., Idaho, USA
Oreilly Mine, Ophir District, San Miguel Co., Colorado, USA
Orejana Mine (Orejana adit; Unpatented claim Sabre; Sabre Mining Co. property; Oriana Mine), Santa Teresa Mts, Aravaipa District, Graham Co., Arizona, USA
Orejon Mine, Tortugas Mountain District, Doña Ana Co., New Mexico, USA
Ore Knob Mine, Ore Knob, Ashe Co., North Carolina, USA
Oreland, Springfield Township, Montgomery Co., Pennsylvania, USA
Orellana Province, Ecuador
Orella, Sioux Co., Nebraska, USA
O Rell Station Occurrences, Placer Co., California, USA
Orenada mine, Val d'Or, La Vallée-de-l'Or RCM, Abitibi-Témiscamingue, Québec, Canada
Orenada No. 4 mine, Orenada mine, Val d'Or, La Vallée-de-l'Or RCM, Abitibi-Témiscamingue, Québec, Canada
Orenburgskaya Oblast', Southern Urals, Urals Region, Russia
Orense (Ourense), Galicia, Spain
Oreokastro, Thessaloníki (Salonica) Prefecture, Macedonia Department, Greece
Oreona Mine, Amado Mine group, Las Guijas Mts, Arivaca District (Las Guijas District), Las Guijas & San Luis Mts, Pima Co., Arizona, USA
Oreo; Oreo Mountain Prospect, Fortymile District, Southeast Fairbanks Borough, Alaska, USA
Ore Outcrop Occurrence (MRDS - 10121364), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10121518), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10121685), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10121798), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10146375), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10146530), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10170348), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10170982), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10194757), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10208089), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10218463), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10218814), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10243452), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10243636), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10267987), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10268074), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10268205), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10291435), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10291563), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10291608), Gogebic iron range, Gogebic Co., Michigan, USA
Ore Outcrop Occurrence (MRDS - 10291807), Gogebic iron range, Gogebic Co., Michigan, USA
Orepuki, Southland, South Island, New Zealand
Ore Recoveries Mine, Silverton mines group (Ore Recoveries group), Silverton, Silverton District, Snohomish Co., Washington, USA
Ores and Metals Mine, Squaw Gulch, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA
Orestimba Creek, Henry Coe State Park, Diablo Range, Stanislaus Co., California, USA
Orestimba Mine (Palo Alto), Orestimba, Stanislaus Co., California, USA
Oreton Mine, Wise Co., Virginia, USA
Oretorpet, Vånga, Kristianstad, Skåne, Sweden
Oreville, Custer Co., South Dakota, USA
Oreville District, Pennington Co., South Dakota, USA
Oreville Spar Mica Mine, Oreville District, Pennington Co., South Dakota, USA
Orezona Mine, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
Orford, Grafton Co., New Hampshire, USA
Orford Nickel mine, St-Denis-de-Brompton, Le Val-Saint-François RCM, Estrie, Québec, Canada
Orford soapstone quarries, Orford, Grafton Co., New Hampshire, USA
Organ and Gowan Prospects, Carroll Co., Tennessee, USA
Organ Boy Placer, Quigley Area, Power Co., Idaho, USA
Organ Cave, Greenbrier Co., West Virginia, USA
Organ District, Doña Ana Co., New Mexico, USA
Organeta Mine, Mariposa Co., California, USA
Organ mine, Mill City District, Pershing Co., Nevada, USA
Organ Mts, Organ District, Doña Ana Co., New Mexico, USA
Organos, Mun. de Aipe, Huila Department, Colombia
Organ Pipe Cactus National Monument, Pima Co., Arizona, USA
Organ Pipe Trust group, Growler District, Growler Mts, Organ Pipe Cactus National Monument, Pima Co., Arizona, USA
Organullo Mining District, Salta, Argentina
Orgeix, Ax-les-Thermes, Ariège, Midi-Pyrénées, France
Orgelstolln, Schreckenberg, Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
Orgueil meteorite (Montauban; Orguell [NHM Cat.]), Orgueil, Midi-Pyrénées, France
Orgueuil meteorite, Montauban, Tarn-et-Garonne, Midi-Pyrénées, France
Orhaneli, Tavşanlı Zone, Bursa Province, Marmara Region, Turkey
Orhon Aimag (Orkhon Aimag), Mongolia
Orhon, Selenge Aimag, Mongolia
Oria, Almería, Andalusia, Spain
Orick area, Coastal Range, Humboldt Co., California, USA
Orick District, Humboldt Co., California, USA
Orick, Orick District, Humboldt Co., California, USA
Oridda, Domusnovas, Carbonia-Iglesias Province, Sardinia, Italy
Orieco mine, Scamander district, Tasmania, Australia
Oriene Prospect, Lewis and Clark Co., Montana, USA
Orientale, Democratic Republic of Congo (Zaïre)
Oriental Gen. No. 72 Patent, Yavapai Co., Arizona, USA
Oriental Gravel Pit, Aspen District (Roaring Fork District), Pitkin Co., Colorado, USA
Oriental Mine, Alleghany, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA
Oriental Mine, Calaveras Co., California, USA
Oriental Mine, Camas District, Blaine Co., Idaho, USA
Oriental Mine, Chloride, Chloride District, Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Oriental Mine, Deep Springs Valley, Inyo Co., California, USA
Oriental Mine, El Hembrar, Chóvar, Castellón, Valencian Community, Spain
Oriental Mine, Simmins Spring, Sulphur Creek, Sulphur Creek deposit, Sulphur Creek District (Sulfur Creek District; Wilbur Springs District), Colusa Co., California, USA
Oriental mine, Tokop District, Esmeralda Co., Nevada, USA
Oriental No. 1 Occurrence, Babyfoot - Little Chetco, Curry Co., Oregon, USA
Oriental Placer, Nevada Co., California, USA
Oriental Placer, North Fork District, Grant Co., Oregon, USA
Oriental prospect, Aguilar district, Jujuy, Argentina
Oriental Quartz Mine, Sawyers Bar, Liberty District, Klamath Mts, Siskiyou Co., California, USA
Oriental Region, Morocco
Oriental Tunnel, Georgetown District, Clear Creek Co., Colorado, USA
Orient District, Ferry Co., Washington, USA
Orient District, Stevens Co., Washington, USA
Oriente mine, Tres Puntas district, Chimberos, Copiapó Province, Atacama Region, Chile
Oriente Province, Cuba
Orient Iron Mine (Caesar; MS 11400; Valley View; MS 8940; Vivia B.; MS 4988; Runaway; MS 1539; Prospector; MS 1505; Villa Grove), Orient District, Saguache Co., Colorado, USA
Orient Mine, Sierra Co., California, USA
Orient Mine, West Tintic District, West Tintic Mts, Juab Co., Utah, USA
Orient Occurrence (Mammoth; Emma H.; Hubnerite; Occident; Bon Ton; Morning Glory; Molybdenite; Porcupine; Ida May), Tincup District, Gunnison Co., Colorado, USA
Orient, Orient District, Stevens Co., Washington, USA
Orient Point, Orient, Southold, Suffolk Co., New York, USA
Orient Prospect, Galena District, Blaine Co., Idaho, USA
Orient, Southold, Suffolk Co., New York, USA
Orient, Stevens Co., Washington, USA
Orient, Telluride District, San Miguel Co., Colorado, USA
Orient township well, Osceola Co., Michigan, USA
Orifena; Gaslight; Empire; Pennsylvania Occurrence, Teller District, Jackson Co., Colorado, USA
Oriflame Mine (Oriflamme Mine; Oroflame Mine), Alleghany, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA
Oriflamme Mine (Oro Flamme Mine; Oreiflamme Mine), Julian, Julian District, San Diego Co., California, USA
Original Amador Mine (Eclipse Mine; Little Amador Mine), Amador City, Jackson-Plymouth District, Amador Co., California, USA
Original Canyon Quarry (Oro Grande Quarry), Oro Grande District, San Bernardino Co., California, USA
Original claim, Divide Creek District, Silver Bow Co., Montana, USA
Original claim, San Bernardino Co., California, USA
Original Geen Vein Mine, Green Vein Group, Green Vein Mesa, San Rafael District (San Rafael Swell), Emery Co., Utah, USA
Original Gilbert mine, Gilbert District, Esmeralda Co., Nevada, USA
Original Gravel Placer, Shasta Co., California, USA
Original Greyhound Lode Mine (Ophir), Grass Valley, Nevada City District (Grass Valley District), Nevada Co., California, USA
Original Iron King Prospect, Tintic District, Utah Co., Utah, USA
Original Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Original Mine, Missouri River, Lewis and Clark Co., Montana, USA
Original Old Dominion Mine (Keystone Mine; Keystone deposit; Keystone vein; Original Old Dominion vein), Pinal Creek, Burch, Globe Hills, Globe Hills District, Globe-Miami District, Gila Co., Arizona, USA
Original Quartz Hill Mine (Hampton Creek), Shasta Co., California, USA
Original Redmond Clay and Salt-Salt Pit, Redmond Area, Sanpete Co., Utah, USA
Origin Prospect, Alaska Peninsula District, Aleutians East Borough, Alaska, USA
Orihuela, Alicante, Valencian Community, Spain
Orijärvi, Kisko, Salo, Southwestern Finland Region, Finland
Orinda, Diablo Range, Contra Costa Co., California, USA
Orinoco, Lamartine District, Clear Creek Co., Colorado, USA
Orinón (Orino), Makrigialos, Lasithi Prefecture, Crete (Kriti) Island, Crete (Kriti) Department, Greece
Oriocha, Argentina
Oriole Belt Mine, Esterbrook District, Albany Co., Wyoming, USA
Oriole, Lamartine District, Clear Creek Co., Colorado, USA
Oriole Mine, Esterbrook District, Converse Co., Wyoming, USA
Oriole Mine, Galice District, Josephine Co., Oregon, USA
Oriole Mine (Harris Nemo Mine; Big Bonanza Mine), Angels Camp District, Mother Lode Belt, Calaveras Co., California, USA
Oriole Mine, Indian Creek, Trinity Co., California, USA
Oriole Mine, Metaline, Metaline District, Pend Oreille Co., Washington, USA
Oriole mine, Shoshone District, White Pine Co., Nevada, USA
Oriole prospect (Yellow Boy prospect), Battle Mountain District, Lander Co., Nevada, USA
Oriole vein, Douglas Camp, Silver Star District, Mineral Co., Nevada, USA
Orion Consolidated Mine, Nevada Co., California, USA
Orion Mine, Charcas, Mun. de Charcas, San Luis Potosí, Mexico
Orion Mine, Inyo Co., California, USA
Orion Mine, Leadville District, Lake Co., Colorado, USA
Orion Mine (Orian Mine), Monitor - Mogul District, Alpine Co., California, USA
Orion mine, Val d'Or, La Vallée-de-l'Or RCM, Abitibi-Témiscamingue, Québec, Canada
Orion Mine, Walker District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Orion Mining Company Occurrence (Orion Mining Company Claims; Log Cabin), Howard District (Ochoco District; Bolivar District), Crook Co., Oregon, USA
Orion Occurrence, Custer Co., Idaho, USA
Orion (Orion Tunnel; Orion & Saddle No. 6 Fluorspar Mine), Central Mining District, Boulder Co., Colorado, USA
Orion Placer, Nevada Co., California, USA
Orion prospect, Kagel Canyon, San Gabriel Mts, Los Angeles Co., California, USA
Orion & Rule Placer, Placer Co., California, USA
Orion Two deposit, Mount Gibson, Murchison, Western Australia, Australia
Orion, Unity District, Baker Co., Oregon, USA
Ori Placer, El Dorado Co., California, USA
Oris (Eyrs), Lasa (Laas), Venosta Valley, Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy
Orismühle quarry, Seltisberg, Liestal, Basel-Land, Switzerland
Orissa, India
Oristano Province, Sardinia, Italy
Orita, Imperial Co., California, USA
Oritate mine, Itsuki, Kumamoto Prefecture, Kyushu Region, Japan
Oritogumi quarry, Hadano City, Kanagawa Prefecture, Kanto Region, Honshu Island, Japan
Orito Mine, Asientos, Mun. de Asientos, Aguascalientes, Mexico
Orivesi, Western and Inner Finland Region, Finland
Oriximiná, Pará, Brazil
Orizaba Gold Mining Co. property, Yavapai Co., Arizona, USA
Orizaba mine, Cloverdale District, Nye Co., Nevada, USA
Orizaba mine (Green Metals mine), Republic District, Nye Co., Nevada, USA
Orizaba Mine, Lake St Clair, Fraguas, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA
Orizaba Mine (Orizabi Mine; Truman Mine; Orizaba-Southern Cross group; Belcher patented claim; Allied Mining & Smelting claim), New River District, Maricopa Co., Arizona, USA
Orizaba Mine, Washington District, Needle Range, Beaver Co., Utah, USA
Orizaba Silica Mine, Lake St Clair, Fraguas, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA
Oriziba Mine, Tat Momoli area, Casa Grande District, Slate Mts, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA
Orkanger, Orkdal, Sør-Trøndelag, Norway
Orkanger Quarry, Orkanger, Orkdal, Sør-Trøndelag, Norway
Orkdal, Sør-Trøndelag, Norway
Örkelljunga amphibolite, Örkelljunga, Skåne, Sweden
Örkelljunga gneiss, Örkelljunga, Skåne, Sweden
Örkelljunga, Skåne, Sweden
Orkho Piña prospect, Cerro Tiquerani, La Paz Department, Bolivia
Orkney Island, Orkney Islands, Scotland, UK
Orkney Islands, Scotland, UK
Orlandini mine, Cerro Ubina, Tolopampa, Antonio Quijarro Province, Potosí Department, Bolivia
Orlando claims, Proctor District, Elko Co., Nevada, USA
Orlando, Logan Co., Oklahoma, USA
Orlando Mine, Tennant Creek, Tennant Inlier, Northern Territory, Australia
Orleans, Barnstable Co., Massachusetts, USA
Orleans Co., New York, USA
Orleans Consolidated Quartz Mine, Nevada Co., California, USA
Orleans Co., Vermont, USA
Orleans No. 3 Quartz Mine, Nevada City District (Grass Valley District), Nevada Co., California, USA
Orleans (Orleans Bar; New Orleans Bar), Weitchpec District, Klamath Mts, Humboldt Co., California, USA
Orleans placer (Stony Bar Mining Company; Wilder claim; Bar Placer Mining Company; Graham Flat claims), Orleans (Orleans Bar; New Orleans Bar), Weitchpec District, Klamath Mts, Humboldt Co., California, USA
Orleans Quarry, Orange Co., Indiana, USA
Orlicke Zahori, Orlické Mts., Hradec Králové Region, Bohemia (Böhmen; Boehmen), Czech Republic
Orli di Fassa, Duron Valley, Fassa Valley, Trento Province, Trentino-Alto Adige, Italy
Orlík (Štůly), Humpolec, Vysočina Region, Moravia (Mähren; Maehren), Czech Republic
Orlovka, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Orlovskoye, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Orlovskoye Ta Deposit, Orlovskoye, Chitinskaya Oblast', Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Orman Dam, Belle Fourche, Butte Co., South Dakota, USA
Orman McAllister Quarry, Lovell, Oxford Co., Maine, USA
O. R. Mascall Claims, South Fork Area, Grant Co., Oregon, USA
Orma-Valoy Nos. 1-32 Occurrence (Acme; Acme Nos. 1-6), Bull Valley District (Bull Valley), Washington Co., Utah, USA
Ormberg Mines, Nordmark district, Filipstad, Värmland, Sweden
Ormea, Tanaro Valley, Cuneo Province, Piedmont, Italy
Ormell Quarry, Harvey Township, Peterborough Co., Ontario, Canada
Ormen, Fen Complex, Nome, Telemark, Norway
Orme property, San Pitch Mts, Juab Co., Utah, USA
Ormestad, Vesterøya, Sandefjord, Vestfold, Norway
Ormie's Luck rush, Coocoran Opal Fields, Lightning Ridge, Finch Co., New South Wales, Australia
Ormília Mine, Ormília, Chalkidiki Prefecture, Macedonia Department, Greece
Ormond-Carr Tin Prospect, Kings Mountain District, Gaston Co., North Carolina, USA
Ormond Mine, Catawba Co., North Carolina, USA
Ormond Ore Bank Mine, Kings Mountain District, Gaston Co., North Carolina, USA
Ormosbánya, Borsodi Mts., Borsod-Abaúj-Zemplén Co., Hungary
Ormsby Co., Nevada, USA
Ormsby Mine, Pine Point, Yorke Peninsula, South Australia, Australia
Ormtjern Mines, Nedre Eiker, Buskerud, Norway
Ormtveit, Vrådal, Kviteseid, Telemark, Norway
Ornak Mountain, Western Tatra Mts, Małopolskie, Poland
Ornamental Stone, Mono Co., California, USA
Ornavasso pegmatite, Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
Ornavasso, Verbano-Cusio-Ossola Province, Piedmont, Italy
Ornden Mine, Baboquivari District, Baboquivari Mts, Pima Co., Arizona, USA
Ornding, Pöchlarn, Mostviertel, Lower Austria, Austria
Ørnebukta, Tananger, Sola, Rogaland, Norway
Orne, Lower Normandy, France
Ørnetind, Seiland Island, Alta, Finnmark, Norway
Ørnhammeren, Oppdal, Sør-Trøndelag, Norway
Orno Mount mine, Vignola-Falesina, Valsugana, Trento Province, Trentino-Alto Adige, Italy
Örnsköldsvik, Ångermanland, Sweden
Ørnstolen, Selsøyvik, Rødøy, Nordland, Norway
Oro Amigo mine (Aura Amigo mine), Goodsprings District, Clark Co., Nevada, USA
Oro and Gold Thread Placer, Cedar Creek District (Trout Creek District; Superior District), Mineral Co., Montana, USA
Oro Bell Dredging Company Placer (Chenoweth Dredger), Placer Co., California, USA
Oro Belle Mine (Castle Mountain Project), San Bernardino Co., California, USA
Oro Belle Mine, Gray Eagle Mine (Oro Belle and Gray Eagle Mine; Patented claim Oro Bonito Gen No. 154; Patented claims 12830 & 854; Oro Bella Mine), Tiger District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Oro Blanco area mines (Oro Blanco Mine group), Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Blanco Mine, Heróica Caborca, Mun. de Caborca, Sonora, Mexico
Oro Blanco Mine (White Gold Mine), Oro Blanco area mines (Oro Blanco Mine group), Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Blanco placers, Ruby, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Bonito Mine, Tiger District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Oro Bueno Mine (Gold Standard Mine; Lucy MS 1637 claim; Gold Standard MS 1637 claim; Silver Belt MS 1637 claim), Yavapai Co., Arizona, USA
Oro Cache Mine (Ore Cash; Freeman; Marc Claims), Carmen Creek District, Lemhi Co., Idaho, USA
Oro Cache Mine (Oro Catch), Summit, Alder Gulch District (Virginia City District; Fairweather District), Madison Co., Montana, USA
Oro Cache Mining and Milling Co. group, Eden District, Nye Co., Nevada, USA
Oro Cache Occurrence, Tom Thumb Mine, Hahns Peak District (Columbine District), Routt Co., Colorado, USA
Oro Cache Prospect (Catch of Ore), New World District (Cooke District), Park Co., Montana, USA
Oro Cash Mine, Lead District, Lawrence Co., South Dakota, USA
Oro Cash Mine, Upper Union District (Empire District), Clear Creek Co., Colorado, USA
Oro City Shaft, Leadville District, Lake Co., Colorado, USA
Oro claim, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
Orocopia Canyon, Riverside Co., California, USA
Orocopia Fluorspar Mine (Holmestake Mine), Orocopia Mts, Riverside Co., California, USA
Orocopia Mine (Dos Palmas; Dos Palmas Mine; Fish; Black Jack Claim), Riverside Co., California, USA
Orocopia Mts, Riverside Co., California, USA
Oro Copio Mine, Riverside Co., California, USA
Orocovis, Puerto Rico
Oro Del Lomas, Trinity Co., California, USA
Oro del Ray Mine (Card Workings; Hickock; Thompson & Lehmer Adits), Willow Springs District, Deep Creek Mts, Tooele Co., Utah, USA
Oro Escondido prospect (Doran's Folly), Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Fina (Bullion; Bullion Nos. 1-2), Placer Co., California, USA
Oro Fino and Floyd Claims, Ophir, Ophir District (Auburn District), Placer Co., California, USA
Oro Fino and Mineral Hill Mine, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
Oro Fino, Boulder Mountains Area, Deer Lodge Co., Montana, USA
Oro Fino, Calaveras Co., California, USA
Oro Fino Claim, Silver Creek District, Snohomish Co., Washington, USA
Orofino Creek Anthophyllite Occurrence, Orofino District, Clearwater Co., Idaho, USA
Orofino Creek (Idaho Company Limited), Pierce City District, Clearwater Co., Idaho, USA
Orofino Creek, Ontario District (Elliston District), Powell Co., Montana, USA
Orofino Creek, Pierce City, Clearwater Co., Idaho, USA
Orofino Creek Placer, Orofino District, Deer Lodge Co., Montana, USA
Orofino Creek Placer, Pierce City District, Clearwater Co., Idaho, USA
Orofino Deposit, Madison Co., Montana, USA
Orofino District, Deer Lodge Co., Montana, USA
Oro Fino District, Klamath Mts, Siskiyou Co., California, USA
Oro Fino & Golden Era prospect (Golden Era claim; Oro Fino claim), Frazier Park area, Frazier Mountain District (Fraser Mountain District), Sespe Frazier Roadless Area Review & Evaluation (RARE) II Area, San Emigdio Mts, Ventura Co., California, USA
Oro Fino gold placers (Oro Fino placer; Orofino placers; Orofino tract), Tyson Wash, Dome Rock placers, Middle Camp-Oro Fino District, Dome Rock Mts, La Paz Co., Arizona, USA
Orofino Group (Estep; Mildred; Arrastre), Ramey Ridge District, Idaho Co., Idaho, USA
Orofino, Jamestown District, Boulder Co., Colorado, USA
Oro Fino, La Plata District (California District), La Plata Co., Colorado, USA
Orofino Lode Occurrence, North Fork Area, Lemhi Co., Idaho, USA
Oro Fino Mine, Arivaca District (Las Guijas District), Las Guijas & San Luis Mts, Pima Co., Arizona, USA
Oro Fino Mine (Bobtail Mine), La Plata District (California District), Grand Co., Colorado, USA
Oro Fino Mine, El Dorado Co., California, USA
Oro Fino Mine, Galena District, Lawrence Co., South Dakota, USA
Oro Fino Mine, Nevada Co., California, USA
Oro Fino Mine (Noon Mine), Bartlett Mountain, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Fino Mine (Oro Fino El Diablo Mine), Escondido, San Diego Co., California, USA
Oro Fino Mine (Orofino Mine), Groom Creek, Groom Creek District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Oro Fino mine, Rochester District, Pershing Co., Nevada, USA
Oro Fino Mine, Shasta Co., California, USA
Oro Fino Mine (Shoshone Mines - 0060270207), Inyo Co., California, USA
Oro Fino Mine (Singing Water; Gold Drift; Elk Horn), Winona District, Josephine Co., Oregon, USA
Orofino Mine (Sinker Tunnel), War Eagle Mine, Silver City District (Carson District), Owyhee Co., Idaho, USA
Oro Fino Mine, Solo, Baker, Mojave National Preserve, San Bernardino Co., California, USA
Oro Fino Mine, Southern Cross District, Deer Lodge Co., Montana, USA
Oro Fino Mine, Stemple District (Fool Hen District), Lewis and Clark Co., Montana, USA
Oro Fino Mine, Utopia District (Birch Creek District), Beaverhead Co., Montana, USA
Oro Fino No. 1 & 2, Fresno Co., California, USA
Oro Fino No. 1 prospect (Oro Fino prospect No. 1), Oro Fino, Oro Fino District, Klamath Mts, Siskiyou Co., California, USA
Oro Fino No. 2 prospect (Oro Fino No. 2 Mine), Oro Fino, Oro Fino District, Klamath Mts, Siskiyou Co., California, USA
Orofino Occurrence (Golden Rod), Bohemia District (Champion District), Lane Co., Oregon, USA
Oro Fino occurrence, Pilot Peak, Plumas Co., California, USA
Oro Fino, Oro Fino District, Klamath Mts, Siskiyou Co., California, USA
Oro Fino Placer, Alamo District, Grant Co., Oregon, USA
Oro-Fino Placer, Clearwater Co., Idaho, USA
Oro Fino Placer Mine (El Paso Mountain Placers - 0060290757), Kern Co., California, USA
Oro Fino Placer Mine, Lake Nacimiento, San Luis Obispo Co., California, USA
Oro Fino Placer Mine (Oro Fino Mine), De Sabla, Magalia District, Butte Co., California, USA
Orofino (?) Prospects (Unidentified Workings), Riverside Co., California, USA
Orofino Quarries No. 1 and No. 2, Orofino District, Clearwater Co., Idaho, USA
Oro Fino Quarry, Greenview, Oro Fino District, Klamath Mts, Siskiyou Co., California, USA
Orofino Quarry No. 3, Orofino District, Clearwater Co., Idaho, USA
Oro-Fino, Summit, Shoshone Co., Idaho, USA
Oro Fino Tunnel, Idaho Springs District, Clear Creek Co., Colorado, USA
Oro - Fino Tunnels, Galena District (Henson Creek District), Hinsdale Co., Colorado, USA
Oro Fino vein, Sacramento District, White Pine Co., Nevada, USA
Oro Flame Mine (Oro Flame property; American Eagle Mine; Mormon Patent; Old Ohio Patent MS 2025; Gold Bug Mine; Sterling property; Mescal claim; American Eagle Patent; Oro Grand Patent MS 2024), Yavapai Co., Arizona, USA
Oro Flame Mine, Placer Co., California, USA
Oro Flem Mine (Oriflamme), El Dorado Co., California, USA
Oro Grande, Amador Co., California, USA
Oro Grande Au deposit, Rice Lake Gold District, Manitoba, Canada
Orogrande Creek Occurrence, Clearwater Co., Idaho, USA
Orogrande District, Idaho Co., Idaho, USA
Orogrande District, Otero Co., New Mexico, USA
Oro Grande District, San Bernardino Co., California, USA
Orogrande-Frisco Mine, Orogrande District, Idaho Co., Idaho, USA
Orogrande Gold Inc, Owyhee Co., Idaho, USA
Oro Grande Granite Mine, Oro Grande District, San Bernardino Co., California, USA
Oro Grande Group, Mosquito District, Park Co., Colorado, USA
Orogrande, Idaho Co., Idaho, USA
Oro Grande II Mine (Black Diamond; Scheerer), Oro Grande District, San Bernardino Co., California, USA
Oro Grande I Mine (Copper Mountain Mine), Oro Grande District, San Bernardino Co., California, USA
Oro Grande Mine, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
Oro Grande Mine (Frenchman Patented; Platna Grande group; May Patented), Sam Powell Peak, Black Rock District, Yavapai Co., Arizona, USA
Oro Grande Mine, Meadow Lake District, Nevada Co., California, USA
Oro Grande Mine, Mono School, Humbug District, Klamath Mts, Siskiyou Co., California, USA
Oro Grande Mine, Shasta Co., California, USA
Oro Grande Mine (Sterling Mine), Drew Spring Well, Sheridan Mts, Cimarron District (Salt Well District), Cimarron & Sheridan Mts, Tohono O'odom (Papago) Indian Reservation, Pima Co., Arizona, USA
Oro Grande Mining Company Mine (McKeen; Cummings; Shasta), Sugar Hill, Callahan District (Scott River District), Klamath Mts, Siskiyou Co., California, USA
Oro Grande, Oro Grande District, San Bernardino Co., California, USA
Oro Grande Prospect, Greenback District (Upper Grave Creek District), Josephine Co., Oregon, USA
Oro Grande Prospect (Oro Grande & Eclipse), Elkhorn District (Coolidge District; Wise River District), Beaverhead Co., Montana, USA
Orogrande Quarry, Pierce City District, Clearwater Co., Idaho, USA
Oro Grande Silica Quarry, Oro Grande District, San Bernardino Co., California, USA
Oro Hondo Mine, Lead District, Lawrence Co., South Dakota, USA
Orohood pit, Macdoel, Cascade Range, Siskiyou Co., California, USA
Oro la Plata Mine, Iron Hill, Leadville, Leadville District, Lake Co., Colorado, USA
Oro Mega Mine, Riverside Co., California, USA
Orom hill, Halimba, Bakony Mts., Veszprém Co., Hungary
Oromia (Oromiya) Province, Ethiopia
Oro Mine, Chesterfield Co., South Carolina, USA
Oro Mine (Code; Oro No. 1; Oro No. 2), Sierra Co., California, USA
Oro Mine, El Oro de Hidalgo (El Oro; El Oro Hidalgo; Oro de Hidalgo), Mun. del Oro, Mexico, Mexico
Oro Mine (El Oro Mine; Golden Eagle group; Nil Desperandum Mine), Bartlett Mountain, Ruby, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Oro Mine, Grimes Pass District, Boise Basin District, Boise Co., Idaho, USA
Oro Mine, Henry Mts, Garfield Co., Utah, USA
Oro Mine (Highland Silver Group), Lincoln Co., Montana, USA
Oro Mine, Jacala de Ledesma (Jacala), Mun. de Jacala, Hidalgo, Mexico
Oro mine (Ora mine), White Pine District, White Pine Co., Nevada, USA
Oro Mine, Pinos, Mun. de Pinos, Zacatecas, Mexico
Oro Mine, Southern Consolidated Mine (Oro Mine; Defiance Mine; Noonday Mine; Red Cloud Mine; Addenda Mine), Bodie, Bodie District, Mono Co., California, USA
Oro & Mountain View Placer, Placer Co., California, USA
Oromvégi Quarry, Sopron-Brennbergbánya, Soproni Mts., Győr-Moson-Sopron Co., Hungary
Oro Negro Group, La Plata District (California District), La Plata Co., Colorado, USA
Oro Negro Mining Company properties, Florence, Florence District (Blackwater District; Black Rock District), Pinal Co., Arizona, USA
Oro Negro Mining Co. property No. 3, Oro Negro Mining Company properties, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA
Oro Negro Mining Co. property No. 4, Oro Negro Mining Company properties, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA
Oro Negro Mining Co. property No. 5, Oro Negro Mining Company properties, Stanfield, Pinal Co., Arizona, USA
Oro Negro Mining Co. property No. 6, Oro Negro Mining Company properties, Casa Grande, Casa Grande District, Pinal Co., Arizona, USA
Oro; Nellie Placers, Tincup District, Gunnison Co., Colorado, USA
Oro-Neva Dredging Co. placers (Rae placer), Silver City District, Lyon Co., Nevada, USA
Oronogo (Dunham Ranch), Bear Creek District, Crook Co., Oregon, USA
Oronogo Field, Tri-State District, Jasper Co., Missouri, USA
Oronogo Mine, El Dorado Co., California, USA
Oronogo Mine, Oronogo Field, Tri-State District, Jasper Co., Missouri, USA
Oronogo Mutual mine, Oronogo Field, Tri-State District, Jasper Co., Missouri, USA
Orono Quartz Mine, Nevada Co., California, USA
Oron pit, Southern District (HaDarom District), Israel
Oropa, Biella Province, Piedmont, Italy
Oropeo, Mun. de La Huacana, Michoacan, Mexico
Oropeza Province, Chuquisaca Department, Bolivia
Oro Pino prospect, Bald Hill, Klamath Mts, Del Norte Co., California, USA
Oro Placer, Argenta District, Beaverhead Co., Montana, USA
Oro Placer Mine, Nevada Co., California, USA
Oro Placer, Placer Co., California, USA
Oro Plata Mine (Accidental Mine; Goodluck Mine; Combination Mine), Yavapai Co., Arizona, USA
Oro Plata Mine (Golconda Extension Mine), Todd's Basin, Cerbat, Cerbat District, Wallapai District, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Oro Plata Mine, West Tintic District, West Tintic Mts, Juab Co., Utah, USA
Oro Plata Mining Company (Western Gold Corporation), Red Boy District / Granite Area, Grant Co., Oregon, USA
Oro Plata Placer Mine (Good Hope Patent), Yavapai Co., Arizona, USA
Oro Platta Prospect (Gold Quartz No. 9), San Bernardino Co., California, USA
Oro Plomo (Oro Plumo), Riverside Co., California, USA
Oroqin Banner (Elunchun Co.), Hulunbuir League (Hulunbei'er Prefecture), Inner Mongolia Autonomous Region, China
Oro Quarry, Chesterfield Co., South Carolina, USA
Oro Quay mine, New Placers District, Santa Fe Co., New Mexico, USA
Oro, Rico District (Pioneer District), Dolores Co., Colorado, USA
Oro Rico (Penon Blanco), Mariposa Co., California, USA
Oro Rico placers, Mohave Co., Arizona, USA
Orosco Mine, Devil's Cash Box ridge, Amado, Cottonwood Canyon, Tyndall District, Santa Rita Mts, Santa Cruz Co., Arizona, USA
Orosi, Tulare Co., California, USA
Oro Treasure and New Year, San Bernardino Co., California, USA
Orotumba, Swartbooisdrif, Kunene Region, Namibia
O'Rourke Granite quarry, Brookline, Hillsborough Co., New Hampshire, USA
O'Rourke Mine, Galena District, Jo Daviess Co., Illinois, USA
Oro Verde District, Sangre de Cristo, Custer Co., Colorado, USA
Oroville District, Okanogan Co., Washington, USA
Oroville Dredging Company Placer, Placer Co., California, USA
Oroville, Feather River, Butte Co., California, USA
Oroville Gold Dredging Company, Butte Co., California, USA
Oroville meteorite, Oroville, Feather River, Butte Co., California, USA
Oroville, Oroville District, Okanogan Co., Washington, USA
Oroville to Briggs area, Feather River, Butte Co., California, USA
Oro Vista Area Prospects, White Mountains Rare II Area, White Mts, Mono Co., California, USA
Oro Vista Mine, Riverside Co., California, USA
Oro Vista, Shasta Co., California, USA
Oroweef Prospect, San Bernardino Co., California, USA
Oroya Brownhill Mine, Golden Mile Mines, Kalgoorlie, Kalgoorlie-Boulder City, Goldfields-Esperance region, Western Australia, Australia
Orøya, Larvik, Vestfold, Norway
Oro Y Plata, Creede District, Mineral Co., Colorado, USA
Oro Y Plata Mine (Oro-Plata Extension Mine; Red Wing Willard Mine; Pay Rock Mine; Silver Star Mine; Blue Wing Mine), Murphys, Esmeralda District (Murphy District; Sperry District), Calaveras Co., California, USA
Oro Y Plata Prospect, San Bernardino Co., California, USA
Oro-Y-Plate, Park Co., Montana, USA
Orozco Mine, Potrillos, Sierra de San Francisco, América-Sapioris (Potrillos) District, Mun. de Coneto de Comonfort, Durango, Mexico
Orpha May, Cripple Creek District, Teller Co., Colorado, USA
Orphan, American Fork District, Wasatch Mts, Utah Co., Utah, USA
Orphan Anne Prospect, Kern Co., California, USA
Orphan Boy, Beaver Creek District (Winston District), Broadwater Co., Montana, USA
Orphan Boy Claim, Cascade Creek, Meadow Creek District, Lake Chelan, Chelan Co., Washington, USA
Orphan Boy Group, Star and North Star Districts, Star Range, Beaver Co., Utah, USA
Orphan Boy Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Orphan Boy Mine, Riverside Co., California, USA
Orphan Boy Mine, Southern Cross District, Deer Lodge Co., Montana, USA
Orphan Boy Mine (Sunset Mine; Silver Queen Mine), Bell Butte area, Mineral Mountain District, Pinal Co., Arizona, USA
Orphan Boy Occurrence, Sunset, Boulder Co., Colorado, USA
Orphan Boy, Peru Creek Area, Argentine District, Summit Co., Colorado, USA
Orphan Boy Placer, Horseshoe Basin District, Park Co., Colorado, USA
Orphan Boy Placer, Pioneer District (Gold Creek District), Powell Co., Montana, USA
Orphan Boy Placer, Quigley Area, Power Co., Idaho, USA
Orphan Boy Prospect, Alpine Co., California, USA
Orphan Boy Prospect, Bay Horse District, Custer Co., Idaho, USA
Orphan Boy, Red Mountain District, Ouray Co., Colorado, USA
Orphan Boy vein, Douglas Camp, Silver Star District, Mineral Co., Nevada, USA
Orphan, Cripple Creek District, Teller Co., Colorado, USA
Orphan Girl Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Orphan Girl Mine, Kern Co., California, USA
Orphan Girl Mine (Part of The Butte Hill Pb-Zn Mines; Orphan Boy; Kit Carson; Anglo Saxon), Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Orphan, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Orphan Mine (El Camino Mine; Camino Mine; Monarch Mine), North Komelik area, Casa Grande District, Slate Mts, Tohono O'odham Indian Reservation, Pinal Co., Arizona, USA
Orphan Mine (Lucky Five Mine; Patented claims MS 3275), Yavapai Co., Arizona, USA
Orphan Mine (Orphan Boy Mine), Alma, Alma District, Park Co., Colorado, USA
Orphan Mine (Orphan lode; Orphan N.P. 2004; Golden Crown Mining Co. property; Western Gold and Uranium property), Grand Canyon Village, Orphan District, South Rim, Grand Canyon National Park, Coconino Co., Arizona, USA
Orphan Prospect, Idaho City District, Boise Co., Idaho, USA
Orphan workings, Nevada Massachusetts Co., Mill City District, Pershing Co., Nevada, USA
Orpha Occurrence (Staatz Location No. 106), Lemhi Pass District, Beaverhead Co., Montana, USA
Orpierre, Laragne-Montéglin, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France
Orpineda Mine, Barranca de Babaraga, Mun. de Guadalupe y Calvo, Chihuahua, Mexico
Orr Claim (Blue Moon), Inyo Co., California, USA
Orr Claims, Pumpkin Buttes District, Campbell Co., Wyoming, USA
Orrefjellet, Salangen, Troms, Norway
Orr et al Claims, Maybell District, Moffat Co., Colorado, USA
Orr Lease Occurrence, Pumpkin Buttes District, Campbell Co., Wyoming, USA
Orr mine, Reese River District, Lander Co., Nevada, USA
Orr Mine, Smyth County Barite Belt, Smyth Co., Virginia, USA
Orr Mine, Spotsylvania Co., Virginia, USA
Orrock Quarry, Kirkcaldy, Fife, Scotland, UK
Orroli, Cagliari Province, Sardinia, Italy
Orr Silica Sand Property Prospect, Anne Arundel Co., Maryland, USA
Orrs prospect, Dalmorton, Gresham Co., New South Wales, Australia
Orrs Springs, Coastal Range, Mendocino Co., California, USA
Orr vein, Woodford Co., Kentucky, USA
Orrvik, Sidensjö, Örnsköldsvik, Ångermanland, Sweden
Ørsdalen, Bjerkreim, Rogaland, Norway
Ørsdalen Mines, Ørsdalen, Bjerkreim, Rogaland, Norway
Ørskog, Møre og Romsdal, Norway
Orsk, Orenburgskaya Oblast', Southern Urals, Urals Region, Russia
Orşova (Orschowa; Orsowa), Mehedinti Co., Romania
Ørsta, Møre og Romsdal, Norway
Ortabel, Haymana, Ankara Province, Central Anatolia Region, Turkey
Ortano Islet, Rio Marina, Elba Island, Livorno Province, Tuscany, Italy
Ortano Mine, Rio Marina, Elba Island, Livorno Province, Tuscany, Italy
Ortau, Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan
Ortberg (Birnbacher), Naßfeld valley, Gastein valley, Hohe Tauern, Salzburg, Austria
Ortbergschartl, Naßfeld valley, Gastein valley, Hohe Tauern, Salzburg, Austria
Ortega Mine, Mount Bullion, Bagby-Mariposa-Mount Bullion-Whitlock District, Mariposa Co., California, USA
Ortega Mine (Old Dominion Mine), Rancho Santa Margarita, Santa Ana Mts, Orange Co., California, USA
Ortenberg, Offenburg, Black Forest, Baden-Württemberg, Germany
Ørtevann Mine, Rana Mines, Dunderlandsdalen, Rana, Nordland, Norway
Orthite No. 1 & Sunset Groups, Long Scraggy, Jefferson Co., Colorado, USA
Orthopyroxenite outcrop, Laouni, Ahaggar Mts (Hoggar Mts), Tamanghasset Province, Algeria
Orth Placer, Jacksonville District, Jackson Co., Oregon, USA
Ortigueira, A Coruña (La Coruña), Galicia, Spain
Orting Quarry, Orting, Pierce Co., Washington, USA
Ortisei (St Ulrich), Siusi Alp (Seis Alp), Gardena Valley (Gröden Valley), Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy
Ortiz Mine, Golden, Old Placers District, Santa Fe Co., New Mexico, USA
Ortiz vein (Ortiz mine), Capillitas Mine, Andalgalá Department, Catamarca, Argentina
Ortles-Cevedale Group, Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy
Ortles-Gran Zebrù (Ortler-Königspitze), Ortles-Cevedale Group, Bolzano Province (South Tyrol), Trentino-Alto Adige, Italy
Ortmayer Lease, Uravan District, San Miguel Co., Colorado, USA
Orto di Donna, Minucciano, Apuan Alps, Lucca Province, Tuscany, Italy
Orton Gulch Placer Mine, Canyon Mountain, Cecilville, Klamath Mts, Siskiyou Co., California, USA
Ortonovo, La Spezia Province, Liguria, Italy
Orton Quarry, Greene Co., Illinois, USA
Ortra Mine, Roşia Montanã (Verespatak; Vöröspatak; Goldbach), Alba Co., Romania
Orudong Mine, Gyeonggi-do (Kyonggi-do), South Korea
Orum Mine (Woodland), El Dorado Co., California, USA
Oruro City, Cercado Province, Oruro Department, Bolivia
Oruro Department, Bolivia
Oruro Mine, Cuchillo Parado, Mun. de Coyame, Chihuahua, Mexico
Orust, Bohuslän, Sweden
Oruzgan Province (Uruzgan Province; Oruzghan Province; Uruzghan Province), Afghanistan
Oruzgan W-Bi deposit, Khas Uruzgan District, Oruzgan Province (Uruzgan Province; Oruzghan Province; Uruzghan Province), Afghanistan
Orvault, Nantes, Loire-Atlantique, Pays de Loire, France
Örvényes, Balaton Uplands, Veszprém Co., Hungary
Orvetta and Little Ruby Tunnel, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
Orville Davis Granite Quarry, Marathon Co., Wisconsin, USA
Orxeta, Alicante, Valencian Community, Spain
Oryx prospect, Lusaka Province, Zambia
Orzel Bialy Mine, Bytom (Beuthen) District, Upper Silesia (Śląskie), Poland
Osage Chief Mine (Crissman Mine), Greenhorn District (Austin District), Lewis and Clark Co., Montana, USA
Osage Co., Missouri, USA
Osage Occurrence; Clay Spur Quarries, Upton, Weston Co., Wyoming, USA
Osage prospect, Julian, Julian District, San Diego Co., California, USA
Osage, Pumpkin Buttes District, Campbell Co., Wyoming, USA
Osaka Prefecture, Kinki region, Honshu Island, Japan
Osamu Utsumi mine (Campo do Cercado), Caldas, Poços de Caldas plateau, Minas Gerais, Brazil
Osanitza Mine, Balkan Mts., Serbia
Osa power station, Åmot, Hedmark, Norway
Osa Quarry, La Serena Valley, Badajoz, Extremadura, Spain
Osa quarry, Osteria dell'Osa, Rome, Rome Province, Latium, Italy
Osarizawa mine, Kazuno City, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Osawa, Tochigi Prefecture, Kanto Region, Honshu Island, Japan
O. S. B. Dolomite Quarry, Trempealeau Co., Wisconsin, USA
Osberg mine, Portsmouth group, Cuyuna North Range, Crow Wing Co., Minnesota, USA
Osborn Creek Mine, Nome District, Nome Borough, Alaska, USA
Osborn District, Big Horn Mts, Maricopa Co., Arizona, USA
Osborne Co., Kansas, USA
Osborne Copper Mine, Lodi District, Nye Co., Nevada, USA
Osborne Cu-Au deposit, Selwyn District, Mount Isa - Cloncurry area, Queensland, Australia
Osborne Hill Placer Mine, Trinity Co., California, USA
Osborne Lake Mine, Snow Lake District, Manitoba, Canada
Osborne Mine, Bear Valley Mining District, San Bernardino Co., California, USA
Osborne Mine, Mt Olive, Mt Olive Township, Morris Co., New Jersey, USA
Osborne Mine, Westview District (Willow Creek District; Pearl District; Rock Creek District), Boise Co., Idaho, USA
Osborne Prospect, Grayson Co., Virginia, USA
Osborne Quarry, Alstead, Cheshire Co., New Hampshire, USA
Osborne Quarry, Calhoun Co., Illinois, USA
Osborne Soapstone quarry, Blandford, Hampden Co., Massachusetts, USA
Osborne Well, Cienega District, Buckskin Mts, La Paz Co., Arizona, USA
Osborn Hill, Birmingham Township, Chester Co., Pennsylvania, USA
Osborn Hill Mine (Osborn Hill vein; Woodberry Mine), Grass Valley, Nevada City District (Grass Valley District), Nevada Co., California, USA
Osborn Lake (McIntyre farm), De Kalb, De Kalb Township, St. Lawrence Co., New York, USA
Osborn Mesa Prospect, Sweetwater Co., Wyoming, USA
Osborn Mine (Defiance Mine), Rye, Payson District (Green Valley District), Gila Co., Arizona, USA
Osborn Mine, Russell Co., Virginia, USA
Osborn Prospect (Schaler prospect), Smyth Co., Virginia, USA
Osborn Prospect, Shady Valley District, Johnson Co., Tennessee, USA
Osbourne Wash prospect, Osborne Wash, Alamo District, Buckskin Mts, La Paz Co., Arizona, USA
O. S. B. Shale Quarry, Trempealeau Co., Wisconsin, USA
Osburn, Coeur d'Alene District, Shoshone Co., Idaho, USA
Osby gneissgranite, Osby, Kristianstad, Skåne, Sweden
Osby, Kristianstad, Skåne, Sweden
Osby quarry, Osby, Kristianstad, Skåne, Sweden
Oscar Anderson, Placer Co., California, USA
Oscar Ashe Mine, Jackson Co., North Carolina, USA
Oscar Claim, Moyie - Yaak District, Boundary Co., Idaho, USA
Oscar Creek District, Josephine Co., Oregon, USA
Oscar Creek Placer (Bishop & Sturdevant; Jewell & Moore Group), Applegate District, Josephine Co., Oregon, USA
Oscar Creek Placer (Bishop & Sturdevant; Jewell & Moore), Oscar Creek District, Josephine Co., Oregon, USA
Oscar Helsing Prospect, Yogo, Judith Basin Co., Montana, USA
Oscar II Land, Spitsbergen, Svalbard, Norway
Oscar Kesti Quarry, Rocklin, Placer Co., California, USA
Oscar Martin Feldspar Prospect, Bryson City Feldspar District, Swain Co., North Carolina, USA
Oscar No. 1, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA
Oscar Nos. 1 - 3, Boise Co., Idaho, USA
Oscar Placer, Tuolumne Co., California, USA
Oscar Prospect, Fortymile District, Southeast Fairbanks Borough, Alaska, USA
Oscar Queen Mine, Jackson Co., North Carolina, USA
Oscars Mine, Mofjellet, Rana, Nordland, Norway
Oscar Sneed Prospect, Pontotoc Co., Mississippi, USA
Oscar Stanislaus River, Calaveras Co., California, USA
Oscar Wager prospect, Yavapai Co., Arizona, USA
Oscar Weaver and Ella Meadows Prospect, James River-Roanoke River Manganese District, Buckingham Co., Virginia, USA
Oscar Wehrend Mine, Royston District, Nye Co., Nevada, USA
Oscar West Prospect, Fortymile District, Southeast Fairbanks Borough, Alaska, USA
Oscawana Corners, Putnam Valley Township, Putnam Co., New York, USA
Osceola Amygdaloid, Osceola, Houghton Co., Michigan, USA
Osceola Co., Michigan, USA
Osceola District, Thorpe Hills, Tooele Co., Utah, USA
Osceola District, White Pine Co., Nevada, USA
Osceola, Gold Hill District, Boulder Co., Colorado, USA
Osceola, Houghton Co., Michigan, USA
Osceola Mine, Cunningham Gulch, Animas District, San Juan Co., Colorado, USA
Osceola Mine (Franks & Moneton Mine; Franks and Monoton Mine), Trooks Flat, Liberty District, Klamath Mts, Siskiyou Co., California, USA
Osceola Mine, Ophir District, San Miguel Co., Colorado, USA
Osceola Mine (Osceola group; Red Star Mine; Colorado Mine; Yellow-Jacket Mine; Yellow Jacket Mine), Alleghany, Forest District (Alleghany; Chips Flats; Minnesota), Sierra Co., California, USA
Osceola Mine, Osceola, Houghton Co., Michigan, USA
Osceola Mine, Rough & Ready, Nevada Co., California, USA
Osceola Mine, Tonto Basin District, Yavapai Co., Arizona, USA
Osceola National Forest Prospect (MRDS - 10119133), North Florida Phosphate District, Columbia Co., Florida, USA
Osceola No. 1 (Centennial Crosscut; Tamarack Crosscut; Calumet and Hecla Crosscut), Osceola Mine, Osceola, Houghton Co., Michigan, USA
Osceola No. 2, Osceola Mine, Osceola, Houghton Co., Michigan, USA
Osceola No. 3, Osceola Mine, Osceola, Houghton Co., Michigan, USA
Osceola No. 5, Osceola Mine, Osceola, Houghton Co., Michigan, USA
Osceola (Osceolia), Star and North Star Districts, Star Range, Beaver Co., Utah, USA
Osceola Prospect, Amador Co., California, USA
Osdick Group (Skylark; Big Ben), Atolia, Atolia District, San Bernardino Co., California, USA
Ose, Bygland, Aust-Agder, Norway
Oseiskoye Levoberazhie Au deposit, Plast, Chelyabinsk Oblast', Southern Urals, Urals Region, Russia
Osennee Cu-Mo-Au deposit, Magadanskaya Oblast', Far-Eastern Region, Russia
Osennee deposit, Dombarov District, Orenburgskaya Oblast', Southern Urals, Urals Region, Russia
Osenovlak deposit, Sofiya Oblast (Sofia Oblast), Bulgaria
Ósfjall, Breiðdalsvík, Suður-Múlasýsla, Iceland
Osgoode Township, Carleton Co., Ontario, Canada
Osgood graphite mine, Nelson, Cheshire Co., New Hampshire, USA
Osgood Mine, Georgetown, Essex Co., Massachusetts, USA
Osgood Mine (Lucky Strike Mine), Yreka, Siskiyou Co., California, USA
Osgood Placer Group, Lincoln District, Lewis and Clark Co., Montana, USA
Osgood Prospect, Butte Co., California, USA
O Shaft, Lamartine District, Clear Creek Co., Colorado, USA
Oshana Region, Namibia
O'Shaughnessy Prospect, Pend Oreille District, Bonner Co., Idaho, USA
O'Shay Chloride (Dan S Chloride; O'Shay Upper Workings), Trinity Co., California, USA
Oshetna River Prospect, Valdez Creek District, Matanuska-Susitna Borough, Alaska, USA
Oshibedani, Kobe city, Hyogo prefecture, Kinki region, Honshu Island, Japan
Oshigenai mine, Odate, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Oshima Mine, Wada and Oshima-mura, Oi-gun, Fukui Prefecture, Chubu Region, Honshu Island, Japan
Oshima peninsula, Hokkaido, Japan
Oshio orebody, Tashiro mine, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
Oshirabetsu, Hiroo-mura, Hiroo-gun, Tokachi Province, Hokkaido, Japan
Oshkosh Mine, Monarch District, Chaffee Co., Colorado, USA
Osh Oblast, Kyrgyzstan
Osiek mine, Tarnobrzeg, Podkarpackie, Poland
Osier Creek Placer, Moose Creek District, Clearwater Co., Idaho, USA
Osier, Rio Arriba Co., New Mexico, USA
Ősi Hill, Pákozd, Velencei Mts., Fejér Co., Hungary
Osijek-Baranja County, Croatia
Osikonmäki (Osikko), Rantasalmi, Eastern Finland Region, Finland
Osikovo deposit, Septemvri mine (Deveti Septemvri mine), Madan ore field, Rhodope Mts, Smolyan Oblast, Bulgaria
Osilo, Sassari Province, Sardinia, Italy
O. Sincox Prospect, Galena District, Jo Daviess Co., Illinois, USA
Osinki, Samaraskaya Oblast' (Samara Oblast'), Povolzhsky Region, Russia
Osiola Claim, Squaw Creek District, Okanogan Co., Washington, USA
Osirio Mine (Osiris Property), Tarryall Mountains Area, Jefferson Co., Colorado, USA
Ösjöberg Mine, Hjulsjö, Hällefors, Västmanland, Sweden
Oskaloosa coal mines, Mahaska Co., Iowa, USA
Oskaloosa, Mahaska Co., Iowa, USA
Oskaloosa Occurrence, Mount Pisgah District, Bonneville Co., Idaho, USA
Oskar Mine, Copper mines, Marsberg, Sauerland, North Rhine-Westphalia, Germany
Oskar Mine, Lorscheid, Neuwied, Wied Iron Spar District, Westerwald, Rhineland-Palatinate, Germany
Oskarshamn, Småland, Sweden
Oskawalik River Occurrence, Aniak District, Bethel Borough, Alaska, USA
Öskemen (Ust'-Kamenogorsk), Eastern Kazakhstan Province (Shyghys Qazaqstan Oblysy; Vostochno-Kazakhstanskaya Oblast'), Kazakhstan
Oskol Fe deposit, Kursk Manet Anomaly group, Belgorodskaya Oblast', Central Region, Russia
Oskoloosa Mine, Ellsworth District, Granite Wash Mts, La Paz Co., Arizona, USA
Osland, Moi, Gjesdal, Rogaland, Norway
O Slap Chmar, Samlot field, Bătdâmbâng (Khet Batdambang; Battambang) Province, Cambodia
Oslavany, South Moravia Region, Moravia (Mähren; Maehren), Czech Republic
Oslebakkholmen, Nøtterøy, Vestfold, Norway
Oslofjord Tunnel, Hurum, Buskerud, Norway
Oslo, Norway
Osmania University campus, Hyderabad, Hyderabad District, Andhra Pradesh, India
Osmer Gold Mine, West Burro Mts, Burro Mountains District, Grant Co., New Mexico, USA
Osmundsberget, Rättvik, Dalarna, Sweden
Osmun Mine, McIntyre Ward, Thunder Bay (City), Thunder Bay District, Ontario, Canada
Osmun Mine (Osmun-Robeson Mine; Ahles Mine), Oxford Furnace, Oxford, Warren Co., New Jersey, USA
Osnabrücker Hütte, Großelend valley, Ankogel group, Hohe Tauern, Carinthia, Austria
Osnabrück, Lower Saxony, Germany
Osobyi Uchastok V occurrence, Karatau Range, Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast'), Kazakhstan
Oso claim, Mule Hoof Bend area (Oxbow Bend area), Salt River, Salt River District, Gila Co., Arizona, USA
Oso Claim, Nogal District, Lincoln Co., New Mexico, USA
Osogovo Cu deposit, Delchevo, Republic of Macedonia
Osogovo Mts, Kyustendil Oblast, Bulgaria
Osojnik, Blegoš, Selca valley, Slovenia
Oso, Mariposa Co., California, USA
Oso mine, Delamar District, Lincoln Co., Nevada, USA
Osona, Barcelona, Catalonia, Spain
Osona, Girona (Gerona), Catalonia, Spain
Oso Prospect, Chichagof District, Skagway-Hoonah-Angoon Borough, Alaska, USA
Oso prospect, Manhattan District, Nye Co., Nevada, USA
Osorezan, Mutsu City, Shimokita peninsula, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Osor Mines, Osor, La Selva, Girona (Gerona), Catalonia, Spain
Osorno Province, Los Lagos Region, Chile
Osoyoos Lake, Oroville, Oroville District, Okanogan Co., Washington, USA
Osoyoos Mining Division, British Columbia, Canada
Ospedalaccio Pass, Sassalbo, Fivizzano, Massa-Carrara Province, Tuscany, Italy
Ospenkopf Mt. - Wolfsgrube pass area, Lautenbach, Lauch Valley, Haut-Rhin, Alsace, France
Osquich pass, Mauléon, Saint-Jean-Pied-de-Port, Pyrénées-Atlantiques, Aquitaine, France
Ossa river, Sillaro Valley, San Clemente, Bologna province, Emilia-Romagna, Italy
Ossasco, Bedretto Valley, Leventina, Ticino (Tessin), Switzerland
Ossau valley, Pyrénées-Atlantiques, Aquitaine, France
Osseo Sandstone Deposit No. 1, Trempealeau Co., Wisconsin, USA
Osseo Sandstone Quarry No. 1, Trempealeau Co., Wisconsin, USA
Osseo Shale & Sandstone Quarry, Trempealeau Co., Wisconsin, USA
Ossining (Sing Sing), Westchester Co., New York, USA
Ossipee Aggregates Corp. quarry, Ossipee, Carroll Co., New Hampshire, USA
Ossipee, Carroll Co., New Hampshire, USA
Ossipee Lake locality, Freedom, Carroll Co., New Hampshire, USA
Oßling Quarry, Kamenz, Oberlausitz, Saxony, Germany
Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy
O.S. Still Ranch property (Placer Creek operations), Placer Creek, La Panza, La Panza District, La Panza Mts, San Luis Obispo Co., California, USA
O. S. Storrs, Upper Union District (Empire District), Clear Creek Co., Colorado, USA
Östanå, Gränna, Jönköping, Småland, Sweden
Ostander Creek Prospect, Blackbird District, Lemhi Co., Idaho, USA
Östanmoss mine, Norberg, Västmanland, Sweden
Øståsen, Grua Mining District, Lunner, Oppland, Norway
Øståsen - Hadeland, Lunner, Oppland, Norway
Ostego Mine, Sierra Co., California, USA
Ostein farm, Willer-sur-Thur, Thur Valley (Thann Valley), Haut-Rhin, Alsace, France
Østerådalen, Tvedestrand, Aust-Agder, Norway
Österåker, Uppland, Sweden
Østerås prospect, Tvedestrand, Aust-Agder, Norway
Österbergsgruvan, Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland, Sweden
Österby, St. Skedevi, Säter, Dalarna, Sweden
Osterfeld Mine, Oberhausen, Ruhr Coal Mining area, North Rhine-Westphalia, Germany
Osterfest Mine, Kleinrückerswalde, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
Östergötland, Sweden
Østerholt, Gjerstad, Aust-Agder, Norway
Østerholtheia, Gjerstad, Aust-Agder, Norway
Osterkreuz adit, Schottenberg, Buchholz, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
Osterlamm Mine, Dippoldiswalde, Freiberg District, Erzgebirge, Saxony, Germany
Osterlamm Mine, Frohnau, Annaberg-Buchholz, Annaberg District, Erzgebirge, Saxony, Germany
Osterlamm Mine, Hammerbrücke, Tannenbergsthal, Vogtland, Saxony, Germany
Osterlamm Mine, Ochsenkopf, Bockau District, Aue, Erzgebirge, Saxony, Germany
Osterlamm Mine, Schneeberg District, Erzgebirge, Saxony, Germany
Osterlamm Mine, Waschleithe, Schwarzenberg District, Erzgebirge, Saxony, Germany
Österlengruvan nr 6, Smedstorp, Tomelilla, Skåne, Sweden
Osterly Prospect, Baldy Mountain District, Beaverhead Co., Montana, USA
Öster mine, Riddarhyttan, Skinnskatteberg, Västmanland, Sweden
Osterode, Lower Saxony, Germany
Østerøya, Sandefjord, Vestfold, Norway
Osterøy, Hordaland, Norway
Öster Silvberg, Säter, Dalarna, Sweden
Østerskov, Fyns Amt, Fyn, Southern Denmark, Denmark
Östersund, Jämtland, Sweden
Osterud & Duncanson Mine, Fillmore Co., Minnesota, USA
Osterwitz, Deutschlandsberg, Koralpe, Styria, Austria
Østfold, Norway
Østhagan limestone and Fe mines, Grua Mining District, Lunner, Oppland, Norway
Östhammar, Uppland, Sweden
Osthammeren, Feragen, Røros, Sør-Trøndelag, Norway
Østland, Kragerø, Telemark, Norway
Ostlund Pit, Campbell Co., Wyoming, USA
O. Stockdale Mine, Fillmore Co., Minnesota, USA
Östraby, Simrishamn, Skåne, Sweden
Östra Göinge, Skåne, Sweden
Östra Hårdmalmen orebody, Falun Mine, Falun, Dalarna, Sweden
Östra Högkulla Mine, Norsjö, Västerbotten, Sweden
Östra Kråkåsen, Finnshytteberg ore field (Finnshytte), Nordmark district, Filipstad, Värmland, Sweden
Östra Ljungby, Klippan, Skåne, Sweden
Östra Nöbbelöv, Simrishamn, Skåne, Sweden
Östra Tommarp, Simrishamn, Skåne, Sweden
Ostrava-Karviná Coal Area, Moravia-Silesia Region, Moravia (Mähren; Maehren), Czech Republic
Ostrava, Moravia-Silesia Region, Moravia (Mähren; Maehren), Czech Republic
Østre Brattholmen, Langesundsfjorden, Porsgrunn, Telemark, Norway
Ostředek (Mittelberg), Šumperk (Mährisch Schönberg), Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Ostredok hill, Jamnícka Valley, Jamník, Liptovský Mikuláš Co., Žilina Region, Slovakia
Østre Kjørstad quarry, Kjørstad (Kjørrestad), Bamble (Bamle), Telemark, Norway
Østre Rød Feldspar Quarries, Søndeled, Risør, Aust-Agder, Norway
Østre Toten, Oppland, Norway
Ostrich Mine (Gold Pen Mine; Bartlett Mine; Skunk Mine), Ruby, Oro Blanco District (Ruby District), Oro Blanco Mts, Santa Cruz Co., Arizona, USA
Ostrine Quarry (Ostrine; Inc.), Monroe Co., Wisconsin, USA
Ostrom, Leadville District, Lake Co., Colorado, USA
Ostrov, Krušné Hory Mts (Erzgebirge), Karlovy Vary Region, Bohemia (Böhmen; Boehmen), Czech Republic
Ostrowiec Świętokrzyski District, Świętokrzyskie Mts (Holy Cross Mts), Świętokrzyskie, Poland
Ostružná (Spornhau), Jeseník, Olomouc Region, Moravia (Mähren; Maehren), Czech Republic
Østskogen Quarry, Tvedalen, Larvik, Vestfold, Norway
Ostwig Mine, Nuttlar, Bestwig, Meschede, Sauerland, North Rhine-Westphalia, Germany
Osugahara mine, Onsen-cho, Minoo, Osaka Prefecture, Kinki Region, Honshu Island, Japan
O'Sullivans prospect, Dalmorton, Gresham Co., New South Wales, Australia
Osumi Peninsula, Kagoshima Prefecture, Kyushu Region, Japan
Osuzu mine, Tohgoh-cho, Miyazaki Prefecture, Kyushu Region, Japan
Ósva Valley, Telkibánya, Zemplén Mts. (Tokaj Mts.), Borsod-Abaúj-Zemplén Co., Hungary
Oswald claims, Queen City District, Nye Co., Nevada, USA
Oswaldo No. 1 Mine, Hanover-Fierro District, Grant Co., New Mexico, USA
Oswaldo No. 2 Mine, Hanover-Fierro District, Grant Co., New Mexico, USA
Oswald Placer Mine (Big East Fork), Trinity Co., California, USA
Oswego Co., New York, USA
Oswego Iron Mine (Oswego Iron Company; Oswego Iron Mine Prosser Mine; Oregon Iron Company), Clackamas Co., Oregon, USA
Oswego Prospect, Mineral Hill District, Blaine Co., Idaho, USA
Oswestry, Shropshire, England, UK
Oszicsinszki Hill, Mátraszentlászló, Mátra Mts., Heves Co., Hungary
Otago peninsula, Otago, South Island, New Zealand
Otago, South Island, New Zealand
Otai mine, Tashiro, Akita Prefecture, Tohoku Region, Honshu Island, Japan
Otake geothermal field, Oita prefecture, Kyushu Region, Japan
Otakigawa, Nagano Prefecture, Chubu Region, Honshu Island, Japan
Otakiyama, Tokushima prefecture, Shikoku Island, Japan
Otamo dolomite quarry, Siikainen, Western and Inner Finland Region, Finland
Otani Mine, Gyojayama, Kameoka City, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Otani Mine, Mikawa-mura, Aga-machi (Higashi-Kanbara-gun), Niigata Prefecture, Chubu Region, Honshu Island, Japan
Otaniyama mine, Yamada, Shimohei-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Otanmäki Mine, Otanmäki, Kajaani, Northern Finland Region, Finland
Otaru-Matsukura (Otarumatsukura) deposit, Shiribeshi Province, Hokkaido, Japan
Otava river, Sušice (Schüttenhofen), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic
Otavi, Otjozondjupa Region, Namibia
Otavi prospect, Otavi, Otjozondjupa Region, Namibia
Otay Bentonite deposit, Munyon, Imperial Co., California, USA
Otay Mesa, San Diego, San Diego Co., California, USA
Otay Mts, San Diego Co., California, USA
Otay, San Diego Co., California, USA
Otego, Nederland District, Boulder Co., Colorado, USA
Otela Mine, Topia, Mun. de Topia, Durango, Mexico
Otera Incline, Uravan District, San Miguel Co., Colorado, USA
Otero Co., Colorado, USA
Otero Co., New Mexico, USA
Otero Placers 1 and 2, Grayback District (Russell District), Costilla Co., Colorado, USA
Oteros Canyon, Monterde, Mun. de Guazapares, Chihuahua, Mexico
Oterstrand, Gildeskål, Nordland, Norway
Otha Bell Mine, Wilkinson Co., Georgia, USA
Othello mine, Cooks Peak District (Cooke's Peak District), Luna Co., New Mexico, USA
Othrys (Othris) Mt ophiolite complex, Lamia, Fthiótis Prefecture, Sterea Hellas Department, Greece
Otilia mine, La Paz Department, Bolivia
Otis Basin Diatomite Occurrence, Harney Co., Oregon, USA
Otis, Berkshire Co., Massachusetts, USA
Otisco Mine, Butte, Butte District (Summit Valley District), Silver Bow Co., Montana, USA
Otish Mountains U deposit, Otish Mts, Baie-James, Nord-du-Québec, Québec, Canada
Otish Mts, Baie-James, Nord-du-Québec, Québec, Canada
Otis Ledge, Meadow Lake, Meadow Lake District, Nevada Co., California, USA
Otis, San Bernardino Co., California, USA
Otisse Mine (Welsh Mine), Mickle Township, Elk Lake area, Cobalt-Gowganda region, Timiskaming District, Ontario, Canada
Otis Shaft, Alma District, Park Co., Colorado, USA
Otis Shelton Prospect, Stokes Co., North Carolina, USA
Otivar, Salobreña, Granada, Andalusia, Spain
Otjhowe (Otjowe), Kaokoveld Plateau, Kunene Region, Namibia
Otjihase Mine, Von Francois Farm 60, Windhoek District, Khomas Region, Namibia
Otjihorongo area, Omaruru District, Erongo Region, Namibia
Otjikoto (Oshikoto) Region, Namibia
Otjikoto prospect, Otjikoto (Oshikoto) Region, Namibia
Otjima, Omaruru, Damaraland District, Kunene Region, Namibia
Otjimbingwe Farm 104, Karibib District, Erongo Region, Namibia
Otjimboyo East, Karibib District, Erongo Region, Namibia
Otjinamewa (Otjionamewa), Brandberg Area, Erongo Region, Namibia
Otjindeka, Kaokoveld Plateau, Kunene Region, Namibia
Otjisongati Mines (Otjizonjati Mine), Okamuvia Farm 144, Windhoek District, Khomas Region, Namibia
Otjitheka, Kaokoveld Plateau, Kunene Region, Namibia
Otjivalunda Pan, Kaokoveld Plateau, Kunene Region, Namibia
Otjiwalundo salt pan, Kunene Region, Namibia
Otjiwarongo District, Otjozondjupa Region, Namibia
Otjoruharui Farm 251, Okahandja District, Otjozondjupa Region, Namibia
Otjosondu, Otjozondjupa Region, Namibia
Otjozondjupa Region, Namibia
Otjua Farm 37, Karibib District, Erongo Region, Namibia
Otjua Mine, Otjua Farm 37, Karibib District, Erongo Region, Namibia
Otjua tungsten prospect, Omaruru District, Erongo Region, Namibia
Otmar quarry, Stav, Nová Paka (Neupaka), Hradec Králové Region, Bohemia (Böhmen; Boehmen), Czech Republic
Otoe Co., Nebraska, USA
Otogafuchi mine, Hinokage-cho, Miyazaki prefecture, Kyushu Region, Japan
Otome mine, Makioka-cho, Yamanashi City, Kinpuzan district, Yamanashi Prefecture, Chubu Region, Honshu Island, Japan
Otome mine (Mitake mine), Kofu City, Kinpuzan district, Yamanashi prefecture, Chubu region, Honshu Island, Japan
Otomezaka mine (Otomezaka deposit), Otome mine (Mitake mine), Kofu City, Kinpuzan district, Yamanashi Prefecture, Chubu Region, Honshu Island, Japan
Otoña Mine, Heróica Caborca, Mun. de Caborca, Sonora, Mexico
O'Toole deposit, Fortaleza de Minas, Minas Gerais, Brazil
O'Toole prospect, Washington District, Nye Co., Nevada, USA
Ototo Island (Otoutojima), Chichijima Group, Ogasawara Islands, Tokyo Prefecture, Japan
Otov, Domažlice (Taus), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic
Otov II pegmatite, Otov, Domažlice (Taus), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic
Otov I pegmatite, Otov, Domažlice (Taus), Plzeň Region, Bohemia (Böhmen; Boehmen), Czech Republic
Otoyo mine, Karumai, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Otoyo mine, Yamada, Shimohei-gun, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Otra Estrella claim, Ejido Esperanza, Mun. de Chihuahua, Chihuahua, Mexico
Otramina mine, Mun. de Titiribí, Antioquia Department, Colombia
Otranto, Lecce Province, Puglia, Italy
Otratnaya Nunatak, Northern Gruber Mts, Queen Maud Land (Dronning Maud Land), Eastern Antarctica, Antarctica
Otravaara area (Kuusjärvi), Eno, Joensuu, Eastern Finland Region, Finland
Otrøy (Otrøya; Otterøy), Midsund, Møre og Romsdal, Norway
Otsalar Cu-Ag-Sb-Hg deposit, Altai Republic (Gorno-Altayskaya Autonomous Oblast'), Western-Siberian Region, Russia
Otsego Co., New York, USA
Otsuchi mine, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Otsu City, Shiga Prefecture, Kinki Region, Honshu Island, Japan
Otsue mine (Sankinkogyo mine), Hiroshima prefecture, Chugoku region, Honshu Island, Japan
Otsuki City, Yamanashi Prefecture, Chubu Region, Honshu Island, Japan
Otta, Nord-Fron, Oppland, Norway
Ottarp, Helsingborg, Skåne, Sweden
Ottarp, Stoby, Hässleholm, Skåne, Sweden
Otta, Sel, Oppland, Norway
Ottauquechee River, Bridgewater, Windsor Co., Vermont, USA
Ottaviano, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Ottawa, Alice District, Clear Creek Co., Colorado, USA
Ottawa Co., Kansas, USA
Ottawa Co., Michigan, USA
Ottawa Co., Ohio, USA
Ottawa Co., Oklahoma, USA
Ottawa District, Marysville District, Lewis and Clark Co., Montana, USA
Ottawa, Franklin Co., Kansas, USA
Ottawa General Hospital Landscaping occurrence, Gluocester Township, Carleton Co., Ontario, Canada
Ottawa, Gloucester Co., Carleton Co., Ontario, Canada
Ottawa Industries Sand Pit (Ottawa Industries Sand Pit; Reynolds Quarry), La Salle Co., Illinois, USA
Ottawa Lake Quarry (Michigan Stone Company), Monroe Co., Michigan, USA
Ottawa mine, Montreal, Iron Co., Wisconsin, USA
Ottawa Mine (Prentice Property), Marysville District, Lewis and Clark Co., Montana, USA
Ottawa Shale Pit, La Salle Co., Illinois, USA
Ottawa Silica Company Quarry (Rockwood Quarry), Rockwood, Wayne Co., Michigan, USA
Ottawa Stone Co. Inc. quarry, Blanchard township, Putnam Co., Ohio, USA
Ottawa Valley Crushed Stone Quarry, Gloucester Co., Carleton Co., Ontario, Canada
Otte, Central City District, Gilpin Co., Colorado, USA
Ottenhäuser Grund, Schweinfurt, Franconia, Bavaria, Germany
Ottenhöfen, Oberkirch, Black Forest, Baden-Württemberg, Germany
Ottenschlag, Waldviertel, Lower Austria, Austria
Ottensheim, Linz, Upper Austria, Austria
Ottenthal adit, Nöckelberg District, Schwarzleograben, Hütten, Leogang, Saalfelden, Salzburg, Austria
Otterbach, Palatinate, Rhineland-Palatinate, Germany
Otterbein Quarry, Müs, Großenlüder, Fulda, Hesse, Germany
Otterbühl, Göpfersgrün, Wunsiedel, Fichtelgebirge, Franconia, Bavaria, Germany
Otter Creek copper mine (MRDS - 10082906), Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Otter Creek; Florence Gulch Mine, Nome District, Nome Borough, Alaska, USA
Otter Creek Mines, Iditarod District, Yukon-Koyukuk Borough, Alaska, USA
Otter Creek Prospect, Koyuk District, Nome Borough, Alaska, USA
Otter Creek Shale Quarry, Dunn Co., Wisconsin, USA
Otter Creek, West Union, Fayette Co., Iowa, USA
Otter Crest Quarry, Lincoln Co., Oregon, USA
Otterdale, Chesterfield Co., Virginia, USA
Otter Hill Mine (American Asbestos Company Mine), Bedford Co., Virginia, USA
Otter Juan mine, Kambalda Nickel deposit, Kambalda, Coolgardie Shire, Western Australia, Australia
Otter Lake Occurrence, Bristol Bay District, Lake and Peninsula Borough, Alaska, USA
Otter Lake, Pontiac RCM, Outaouais, Québec, Canada
Otter Lake, Richland Co., South Carolina, USA
Otter Limestone Quarry, Monroe Co., Michigan, USA
Otterness Quarry (Roverud Construction Company), Fillmore Co., Minnesota, USA
Otter Point Beach Occurrence, Beach Area, Curry Co., Oregon, USA
Otter Prospect, Tulare Co., California, USA
Otter River, Campbell Co., Virginia, USA
Ottershagen Prospect (Otterhagen Lode), Keystone District, Pennington Co., South Dakota, USA
Otter Shoot Nickel mine, Otter Juan mine, Kambalda Nickel deposit, Kambalda, Coolgardie Shire, Western Australia, Australia
Otterson Limestone Quarry, Gaffney Area, Cherokee Co., South Carolina, USA
Otterthal, Industrieviertel, Lower Austria, Austria
Ottery Mine, Tent Hill, Gough Co., New South Wales, Australia
Otterys deposit, Torrington district, Gough Co., New South Wales, Australia
Otterys prospect, Torrington district, Gough Co., New South Wales, Australia
Otteskoop, Marico District, Northwest Province, South Africa
Otteson Granite quarry, Hooksett, Merrimack Co., New Hampshire, USA
Otting, Wemding, Ries Crater, Nördlingen, Swabia, Bavaria, Germany
Ottmarsbocholt, Münsterland, North Rhine-Westphalia, Germany
Ottner Alp (Traholz), Brixen im Thale, Kitzbühel Alps, North Tyrol, Tyrol, Austria
Otto-Bullion Mine (Otto Mine), Middletown, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA
Otto Jean Kelly Quarry (Kelly Wiegel Quarry; Otto Jean Construction Company), Lafayette Co., Wisconsin, USA
Otto Meyer Jr (Meyer Mine), Fillmore Co., Minnesota, USA
Otto Mine, Crawford Mts, Rich Co., Utah, USA
Otto Mine, Gillham, Sevier Co., Arkansas, USA
Otto Mine, Schottenhöfe, Harmersbach valley, Zell am Harmersbach, Black Forest, Baden-Württemberg, Germany
Ottomo, Tohoku, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Otto Mountain, Baker, San Bernardino Co., California, USA
Ottone vein, La Léchère (Notre Dame de Briançon), Tarentaise valley, Savoie, Rhône-Alpes, France
Otto Prospect (Little Coweetah Prospect; Sheenah Prospect), Macon Co., North Carolina, USA
Otto Rock Pit (David Otto), Washington Co., Oregon, USA
Ottorzhenets kimberlite body, Alakit-Markha, Daldyn-Alakit kimberlite field, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Ottoshoop, Northwest Province, South Africa
Otto Strand Claims (Goodyears Bar), Sierra Co., California, USA
Ottowa Mine, Lake City District (Lake District), Hinsdale Co., Colorado, USA
Ottrelite Schist occurrence, Yreka, Siskiyou Co., California, USA
Ottré, Vielsalm, Stavelot Massif, Luxembourg Province, Belgium
Otts Mine, Floyd Co., Georgia, USA
Ott, Trinity Co., California, USA
Ottumwa Lode Occurrence, Unorganized District, Pennington Co., South Dakota, USA
Otuk Creek Occurrence, Colville District, North Slope Borough, Alaska, USA
O. Tuttle Property, Wet Mountains Area, Fremont Co., Colorado, USA
Otuzco Province, La Libertad Department, Peru
Otvovice, Kladno, Central Bohemia Region, Bohemia (Böhmen; Boehmen), Czech Republic
Otway Ni deposit, Nullagine, East Pilbara Shire, Pilbara Region, Western Australia, Australia
Otway Ranges, Victoria, Australia
Otzberg, Odenwald, Hesse, Germany
Ötz valley, North Tyrol, Tyrol, Austria
Ouachita Mts Manganese District, Montgomery Co., Arkansas, USA
Ouachita Mts Manganese District, Pike Co., Arkansas, USA
Ouachita Mts Manganese District, Polk Co., Arkansas, USA
Ouaddaï Region, Chad
Ouaka Prefecture, Central African Republic
Ouanary Commune, French Guiana
Oua-n-Rechla, Ahaggar Mts (Hoggar Mts), Tamanghasset Province, Algeria
Ouargla Province, Algeria
Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
Ouassat prospect, Ouassat, Assaba Region, Mauritania
Oubalage Cu-Au deposit, Horqin Right Front Banner (Ke'erqin Youyi Qianqi), Hinggan League (Xing'an Prefecture), Inner Mongolia Autonomous Region, China
Ouche, Massiac, Cantal, Auvergne, France
Ouchi mine, Tohgoh-cho, Miyazaki Prefecture, Kyushu Region, Japan
Ouchong Au deposit, Yizhang Co., Chenzhou Prefecture, Hunan Province, China
Oudalan Province, Sahel Region, Burkina Faso
Oudida, Morocco
Oudômxai Province, Laos
Oudtshoorn, Eden District, Western Cape Province, South Africa
Oued Allelah, Algeria
Oued Berkou, El Milia, Constantine Province, Algeria
Oued Ed-Dahab-Lagouira Region, Morocco
Oued Ed-Dahab Province, Oued Ed-Dahab-Lagouira Region, Morocco
Oued Kohol Mine, Oued Kohol, Tunisia
Oued Maden Mine, Oued Maden (Oued el Madene), Nefza mining district, Tunisia
Oued Moziz Mine, Oran Province, Algeria
Oued M'tak, Haouaria, Zaghouan Governorate, Tunisia
Ouégoa Commune, Northern Province, New Caledonia
Ouémé Department, Benin
Oue mine (Oye mine; Ohe mine; Ooe mine; Oe mine), Shakotan Peninsula, Shiribeshi Province, Hokkaido, Japan
Ouen Island ophiolite, Ouen Island, Southern Province, New Caledonia
Ouen Island, Southern Province, New Caledonia
Ouenza Mine (Djebel Ouenza), Ouenza, Tébessa Province, Algeria
Ouenza, Tébessa Province, Algeria
Ouessant Island, Finistère, Brittany, France
Ouest Department, Haiti
Oughterard, Connemara, Co. Galway, Ireland
Oughterside open cast coal site, Aspatria, Cumbria, England, UK
Ougiyama, Otsuki City, Yamanashi Prefecture, Chubu Region, Honshu Island, Japan
Ouham-Pendé Prefecture, Central African Republic
Ouham Prefecture, Central African Republic
Ou'hori mine (Obori mine; Ohorimangan mine), Hikone, Shiga prefecture, Kinki region, Honshu Island, Japan
Ou'idani mine (Oidani mine), Tottori Prefecture, Chugoku Region, Honshu Island, Japan
Ou'izumi mine (Oizumi mine), Yamagata Prefecture, Tohoku Region, Honshu Island, Japan
Oujda-Angad Province, Oriental Region, Morocco
Oujia Au deposit, Dongxiang Co., Fuzhou Prefecture, Jiangxi Province, China
Oukilal, Tichka massif, High Atlas Mts, Atlas Mts, Morocco
Oukura mine (Ohkura mine), Hannou, Saitama Prefecture, Kanto Region, Honshu Island, Japan
Oulanka plutonic complex, Northern Karelia, Karelia Republic, Northern Region, Russia
Oulay Mine (Ulay Mine; Ute-Ulay Mine), Lake City, Lake City District (Lake District), Hinsdale Co., Colorado, USA
Ouled Moussa, Tunisia
Oule ravine, Péone, Guillaumes, Alpes-Maritimes, Provence-Alpes-Côte d'Azur, France
Oulx, Susa Valley, Torino Province, Piedmont, Italy
Oum Arwagen Mine, Tiris Zemmour Region, Mauritania
Oume caves, Oume City (Ohme City), Tokyo Prefecture, Kanto Region, Honshu Island, Japan
Oume City (Ohme City), Tokyo Prefecture, Kanto Region, Honshu Island, Japan
Oumé department, Fromager region, Ivory Coast (Côte d'Ivoire)
Oum el Bouaghi Province, Algeria
Oum el-Kecheb Mine, Tunisia
Oumiya mine (Ohmiya mine; Omiya mine), Hidaka, Saitama Prefecture, Kanto Region, Honshu Island, Japan
Oumjrane Mine, Alnif, Tarhbalt, Er Rachidia Province, Meknès-Tafilalet Region, Morocco
Oumlil Mine (incl. Oumlil East Mine), Oumlil, Bou Azer District (Bou Azzer District), Tazenakht, Ouarzazate Province, Souss-Massa-Draâ Region, Morocco
Ounasvaara, Rovaniemi, Lapland Region, Finland
Ounce a Day Placer Mine, Black Bear, Klamath Mts, Siskiyou Co., California, USA
Oup pegmatite, Kenhardt District, Namaqualand, Northern Cape Province, South Africa
Ouraga, Oursi, Oudalan Province, Sahel Region, Burkina Faso
Ourais mine, Raiva, Castelo de Paiva, Aveiro District, Portugal
Ouray Co., Colorado, USA
Ouray District (Uncompahgre District), Ouray Co., Colorado, USA
Ouray Occurrence, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA
Ouray, Ouray District (Uncompahgre District), Ouray Co., Colorado, USA
Ouray Park Gravel Pit, Uintah Co., Utah, USA
Ouray, Sneffels District (Mount Sneffels District), Ouray Co., Colorado, USA
Ouray, Uteland Knoll District (Ouray District), Uintah Co., Utah, USA
Our Chance Mine (Clark Mines; Albert Austin Group), Whitlock District, Bagby-Mariposa-Mount Bullion-Whitlock District, Mariposa Co., California, USA
Our Creek Mine, Fairbanks District, Fairbanks North Star Borough, Alaska, USA
Our Creek Occurrence, Chandalar District, Yukon-Koyukuk Borough, Alaska, USA
Our Creek Occurrence, McGrath District, Yukon-Koyukuk Borough, Alaska, USA
Ourd Mekta Mine, Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco
Our Flag et al Mine, Calaveras Co., California, USA
Our Flag, Tuolumne Co., California, USA
Ourika Valley, High Atlas Mts, Atlas Mts, Morocco
Ournes, Capdenac, Lot, Midi-Pyrénées, France
Ouro Fino, Coronel Murta, Jequitinhonha valley, Minas Gerais, Brazil
Ouro Fino pegmatite, Ouro Fino, Coronel Murta, Jequitinhonha valley, Minas Gerais, Brazil
Ouro Mil claim, Creporizão, Itaituba, Tapajós Gold Province, Pará, Brazil
Our Only Chance, Judith Basin Co., Montana, USA
Ouro Preto, Minas Gerais, Brazil
Ouro Roxo mine, Pacu gold camp, Jacareacanga, Tapajós Gold Province, Pará, Brazil
Oursi, Oudalan Province, Sahel Region, Burkina Faso
Oursler Quarry, Carroll Co., Maryland, USA
Oursler Talc Quarries, Carroll Co., Maryland, USA
Our Town, Tallapoosa Co., Alabama, USA
Oury prospect, Big Bug District, Bradshaw Mts (Bradshaw Range), Yavapai Co., Arizona, USA
Oushima Island (Ohshima; Oshima), Izu Archipelago, Tokyo Prefecture, Japan
Ousley claim, Lone Pine Saddle, Four Peaks District, Mazatzal Mts, Gila Co., Arizona, USA
Oustomah Mine (Pennsylvania & Eddy), Nevada City District (Grass Valley District), Nevada Co., California, USA
Outagamie Co., Wisconsin, USA
Outalpa Mine (Carson's Claim; Golden Dewdrop Mine), Outalpa Station, Olary Province, South Australia, Australia
Outalpa siding, Olary, Olary Province, South Australia, Australia
Outalpa Station, Olary Province, South Australia, Australia
Outaouais, Québec, Canada
Outback prospect, Greenwood, Oxford Co., Maine, USA
Outcrop (MRDS - 10136077), Chilton Co., Alabama, USA
Outcrop (MRDS - 10185121), Mountain Creek, Chilton Co., Alabama, USA
Outcrop No. 1305, Daychopan District, Zabol Province (Zabul Province), Afghanistan
Outcrop No. 543, Mizan District, Zabol Province (Zabul Province), Afghanistan
Outcrop No. 7273, Miyan Nasheen District (Miya Nishin District), Kandahar Province (Qandahar Province), Afghanistan
Outcrop No. 914, Daychopan District, Zabol Province (Zabul Province), Afghanistan
Outcrop Sample For Uranium; LC-15 Occurrence, DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (1), Monroe Co., Kentucky, USA
Outcrop Sample For Uranium Occurrence (2), Monroe Co., Kentucky, USA
Outcrop Sample For Uranium Occurrence (3), Monroe Co., Kentucky, USA
Outcrop Sample For Uranium Occurrence, Allen Co., Kentucky, USA
Outcrop Sample For Uranium Occurrence, Cumberland Co., Kentucky, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026189), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026190), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026191), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026192), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026193), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026194), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026195), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026196), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026197), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026198), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026199), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026200), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026201), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026202), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026203), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026204), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026205), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026206), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026207), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026208), Smith Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026209), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026210), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026211), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026212), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026213), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026214), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026215), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026216), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026217), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026218), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026219), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026220), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026221), Warren Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026222), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026223), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026224), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026225), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026226), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026227), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026229), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026230), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026231), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026232), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026233), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026234), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026235), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026236), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026237), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026239), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026240), Coffee Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026241), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026242), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026243), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026244), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026245), Coffee Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026246), Moore Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10026247), Moore Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088520), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088521), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088522), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088523), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088524), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088526), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088527), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088529), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088530), Coffee Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088531), Macon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088532), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088533), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088534), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088535), Coffee Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088536), Moore Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10088537), Lincoln Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091894), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091895), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091896), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091897), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091898), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091899), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091900), Smith Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091901), Overton Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091902), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091903), Putnam Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091904), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091905), Jackson Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091906), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091907), Clay Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091909), DeKalb Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091910), Cannon Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091912), Coffee Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091913), Sumner Co., Tennessee, USA
Outcrop Sample For Uranium Occurrence (MRDS - 10091914), Coffee Co., Tennessee, USA
Outeiro dos Algares Mine, Portel, Évora District, Portugal
Outeloup, Nièvre, Burgundy, France
Outer Hebrides, Scotland, UK
Outer Space
Outhouse Consolidated, Placer Co., California, USA
Outjo, Damaraland District, Kunene Region, Namibia
Outjo District, Kunene Region, Namibia
Outlaw Economy, Uravan District, Mesa Co., Colorado, USA
Outlaw Group Mine, Uravan District, Mesa Co., Colorado, USA
Outlaw Mesa Claims, Gateway District, Mesa Co., Colorado, USA
Outlaw Mine, Clarks Pass area, Black Hills, Monte Negro District (Eagle Mountain District), Riverside Co., California, USA
Outlaw Mine, Columbus Peak, Yuma Co., Arizona, USA
Outlaw Mine, Round Mountain District, Nye Co., Nevada, USA
Outlaw No. 23, Uravan District, Mesa Co., Colorado, USA
Outlaw Vanadium Group, Uravan District, Mesa Co., Colorado, USA
Outlet Neck, McKinley Co., New Mexico, USA
Outlet Tunnel, Creede District, Mineral Co., Colorado, USA
Outlet, Uravan District, Montrose Co., Colorado, USA
Outlook Canyon (Neuerberg locality 31), Santa Monica Mts, Los Angeles Co., California, USA
Outlook Mine, Big Eye Mine group, Slumgullion Pass, Kofa Game Range, Castle Dome District, Castle Dome Mts, Yuma Co., Arizona, USA
Outlook Mine, Bouquet Canyon, Green Valley, Sierra Pelona Mts (Sierra Pelona Range), Los Angeles Co., California, USA
Outlook Mine, Hartford District (Huachuca Mountains District), Huachuca Mts, Cochise Co., Arizona, USA
Outlook prospect(?), Tybo District, Nye Co., Nevada, USA
Out of Sight Prospect, White Mountains Rare II Area, White Mts, Mono Co., California, USA
Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Eastern Finland Region, Finland
Outokumpu Cu-Zn deposit, Outokumpu Cu-Co-Zn-Ni-Ag-Au ore field, Eastern Finland Region, Finland
Outomongu Mine, Marienfluss, Kunene Region, Namibia
Out Post, Boise Co., Idaho, USA
Outpost claims, Monumental District, Whipple Mts, San Bernardino Co., California, USA
Outpost Extension prospect, San Domingo Wash, White Picacho District, Yavapai Co., Arizona, USA
Outpost Island mine, Great Slave Lake, Northwest Territories, Canada
Outpost Mine (Outpost Pegmatite Mine), San Domingo Wash, White Picacho District, Yavapai Co., Arizona, USA
Outpost No. 1 claim, Seeley group, Chorro, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Outpost No. 2 claim, Seeley group, Chorro, Santa Lucia Mts (Santa Lucia Range), San Luis Obispo Co., California, USA
Outwash Creek Southeast Occurrence, Colville District, North Slope Borough, Alaska, USA
Outwash Creek South-Southwest Occurrence, Colville District, North Slope Borough, Alaska, USA
Outwash Creek Southwest Occurrence, Colville District, North Slope Borough, Alaska, USA
Outwash Creek West Occurrence, Colville District, North Slope Borough, Alaska, USA
Out West, Emery Co., Utah, USA
Out West Placer; Galena Park; Cleveland; Ajax; Hercules, Elk Mountain District, Gunnison Co., Colorado, USA
Outwest (Red Arrow Group), La Plata District (California District), Montezuma Co., Colorado, USA
Ouvidor, Catalão I Carbonatite Complex, Goiás, Brazil
Ovaçik Au-Ag deposit (Ovaçik mine), Bergama, Izmir Province, Aegean Region, Turkey
Ovala prospect, Gabon
Ovalle, Limarí Province, Coquimbo Region, Chile
Oval Peak Batholith, Chelan Co., Washington, USA
Oval Pit Mine (Foxtrap Mine), Foxtrap, Conception Bay South, Avalon peninsula, Conception Bay, Newfoundland, Newfoundland and Labrador, Canada
Ovee - Silurian Mine, Gilman District (Battle Mountain District; Red Cliff District), Eagle Co., Colorado, USA
Ovejera Mine, La Luz, Mun. de Guanajuato, Guanajuato, Mexico
Ovens No. 1; No. 2, Horseshoe Basin District, Park Co., Colorado, USA
Overacre Mine, Peaksville, Bedford Co., Virginia, USA
Overall Mine, Warren Co., Virginia, USA
Overath, Bergisches Land, North Rhine-Westphalia, Germany
Overberg District, Western Cape Province, South Africa
Overberget Mining Field, Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway
Overbey Prospect, Lewis Co., Tennessee, USA
Overby shaft, Trigg Co., Kentucky, USA
Overcross Pit, Soldiers Pass Area, Utah Co., Utah, USA
Over Easy Bar Placer, Idaho Primitive Area, Big Creek District, Valley Co., Idaho, USA
Overend Quarry, Whitehaven, North and Western Region (Cumberland), Cumbria, England, UK
Overfield Mine, Johnnie District, Nye Co., Nevada, USA
Over Haddon, Derbyshire, England, UK
Overhang open Cut, Cloncurry, Cloncurry District, Mount Isa - Cloncurry area, Queensland, Australia
Overholt Lode, Creede District, Mineral Co., Colorado, USA
Overholt Rock Pile, Upper Applegate District, Jackson Co., Oregon, USA
Overholtz, Inyo Co., California, USA
Overijssel, Netherlands
Overland Canyon, Tooele Co., Utah, USA
Overland Claims, New River District, Trinity Co., California, USA
Overland Claim, Willard District, Wasatch Mts, Box Elder Co., Utah, USA
Overland Mine, Chalk Creek District, Chaffee Co., Colorado, USA
Overland Mine, Chilito, Hayden area, Banner District, Dripping Spring Mts, Gila Co., Arizona, USA
Overland Mine, Mercur District (Camp Floyd District), Oquirrh Mts, Tooele Co., Utah, USA
Overland Mine, Mineral Hill District, Blaine Co., Idaho, USA
Overland Prospect, Galena District, Blaine Co., Idaho, USA
Overland Prospect, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
Overlap Claim, Emigrant Creek District (Chico District), Park Co., Montana, USA
Överlida, Svenljunga, Västergötland, Sweden
Overlook and Snark Placer Mine, El Dorado Co., California, USA
Overlook claim, Cochise District, Little Dragoon Mts, Cochise Co., Arizona, USA
Overlook claim, Highland Springs (Highland), Lake Co., California, USA
Overlook Claim, Yogo, Judith Basin Co., Montana, USA
Overlook deposit, Jacumba, Jacumba District, San Diego Co., California, USA
Overlooked Mine, Madera Co., California, USA
Overlook Mine, Black Warrior District, Elmore Co., Idaho, USA
Overlook Mine, Cooke Mountain, Belcher District, Ferry Co., Washington, USA
Overlook Mine, Eureka District, Lemhi Co., Idaho, USA
Overlook Mine, Pioneerville District, Boise Co., Idaho, USA
Overlook Mine, San Bernardino Co., California, USA
Overlook Occurrence (Denny Prospect; Iron Cliff), Highland District (Siberia District), Silver Bow Co., Montana, USA
Overlook Prospect, Blaine Co., Idaho, USA
Overlook prospect, Jacumba, Jacumba District, San Diego Co., California, USA
Overlook Prospect, Lick Creek RARE II Area, Wallowa Range District, Wallowa Co., Oregon, USA
Overlook Quarry (Atlas Feldspar Company Quarry; Atlas Quarry; Day Quarry), Overlook, Saratoga Co., New York, USA
Overman Lode Occurrence, Nugget District (Myrtle Creek District), Douglas Co., Oregon, USA
Overman mine, Comstock District, Storey Co., Nevada, USA
Overman Placer, Nugget District (Myrtle Creek District), Douglas Co., Oregon, USA
Overman property, Castaic Junction, Los Angeles Co., California, USA
Overntjern Quarry, Modum, Buskerud, Norway
Overseer, Sugarloaf District, Boulder Co., Colorado, USA
Overshot claim, Harquahala District, Harquahala Mts, La Paz Co., Arizona, USA
Overshot Group Mine, Malheur District (Mormon Basin District), Malheur Co., Oregon, USA
Overshot Group, Rye Valley District (Mormon Basin District), Baker Co., Oregon, USA
Over Sight, Benton Range Rare II Area, Mono Co., California, USA
Oversight Creek Mine, Kougarok District, Nome Borough, Alaska, USA
Oversight group (Big Skookum claim), Pinal Peak area, Pinal Mountains District, Pinal Mts, Gila Co., Arizona, USA
Oversight group of claims (Great West group; Fraction; Midnight group), Goldfield area, Goldfield District, Pinal Co., Arizona, USA
Oversight Mine, Artillery Mts, Mohave Co., Arizona, USA
Oversight Mine, Cooke Mountain, Belcher District, Ferry Co., Washington, USA
Oversight Mine, Dell Mine, Spor Mountain, Juab Co., Utah, USA
Oversight Mine, Mineral Hill, Nespelem District (Moses District), Colville Indian Reservation, Okanogan Co., Washington, USA
Oversight placer, Battle Mountain District, Lander Co., Nevada, USA
Oversight Placer Mine, Deadwood, Deadwood District, Klamath Mts, Siskiyou Co., California, USA
Oversight Placer Mine, Fresno Co., California, USA
Oversight Placer Mine, Yuba Co., California, USA
Oversight, Tuolumne Co., California, USA
Oversite Mine, Calaveras Co., California, USA
Overstreet Prospect, Bedford Co., Virginia, USA
Overstreet vein, Jessamine Co., Kentucky, USA
Overton Co., Tennessee, USA
Overton County Highway Deptartment Quarry, Overton Co., Tennessee, USA
Overton deposit, Moapa District, Clark Co., Nevada, USA
Overton Hall mine, Ashover, Derbyshire, England, UK
Overton Mine, Snowden, Liberty District, Klamath Mts, Siskiyou Co., California, USA
Overton - Steele Hollow Iron Deposits, Pueblo Area, Pueblo Co., Colorado, USA
Overwich - Hughes Creek District, Ravalli Co., Montana, USA
Overysel deposit, Mokopane (Potgietersrus), Eastern Bushveld Complex, Limpopo Province, South Africa
Ovida, Lamartine District, Clear Creek Co., Colorado, USA
Ovi della Sella, Prevat Valley, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland
Ovi di Scimfuss, Pontino Alp, Tremola Valley, Central St Gotthard Massif, Leventina, Ticino (Tessin), Switzerland
Oviedo, Asturias, Spain
Övlandehult quarry, Ökna, Vetlanda, Småland, Sweden
Övörhangay Aimag (Övörkhangai Aimag), Mongolia
Øvrebøvatn, Øvrebø, Vennesla, Vest-Agder, Norway
Øvrebø, Vennesla, Vest-Agder, Norway
Øvre Dypingdal Mine, Dypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway
Øvre Eiker, Buskerud, Norway
Øvre Eivollen, Eivollen, Drag, Tysfjord, Nordland, Norway
Øvre Langerudsgruve deposit, Snarum, Modum, Buskerud, Norway
Øvre Lankavarre, Vaddas-Rieppe area, Oksfjorddalen, Nordreisa, Troms, Norway
Øvre Lapplegret Quarry, Lapplegret, Drag, Tysfjord, Nordland, Norway
Øvre Rødal (Rodal), Tafjord, Norddal, Møre og Romsdal, Norway
Øvre Vang Mine, Kvikne Mines, Kvikne, Tynset, Hedmark, Norway
Øvre Vats, Vats, Vindafjord, Rogaland, Norway
Øvstebø, Kleppan, Sauland, Hjartdal, Telemark, Norway
Owakudani, Kanagawa Prefecture, Kanto Region, Honshu Island, Japan
Owaku mine, Gifu Prefecture, Chubu Region, Honshu Island, Japan
Owala-Kaikawala area (incl. Gurubabila; Koswana), Matale District, Central Province, Sri Lanka
Owani mine, Minami-Tsugaru-gun, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
Owanka, Pennington Co., South Dakota, USA
Owasco Creek locality, Auburn, Cayuga Co., New York, USA
Owatonna Occurrence, Idaho Springs District, Clear Creek Co., Colorado, USA
O. W. Barker Prospect, Caswell Co., North Carolina, USA
O. W. Bowles Placer, El Dorado Co., California, USA
Owen and Hickley Mine, Hooperville area, Klamath Mts, Siskiyou Co., California, USA
Owen Borate Mine (North Side of Lead Mountain), Lead Mountain, Barstow, San Bernardino Co., California, USA
Owenby Group, Uravan District, San Miguel Co., Colorado, USA
Owenby Property, Fannin Co., Georgia, USA
Owen Circle placer, Antelope District, Pershing Co., Nevada, USA
Owen Co., Indiana, USA
Owen Co., Kentucky, USA
Owen Creek Area Occurrence (MRDS - 10184276), Albany Co., Wyoming, USA
Owen Creek Area Occurrence (MRDS - 10254647), Albany Co., Wyoming, USA
Owen group (Hillbilly No. 10; Owen No. 3; Mitchell; Sunset claims; Sunset claim), Fellows area, San Luis Obispo Co., California, USA
Owen group, Temblor Range, Kern Co., California, USA
Owen Hiner Tract Prospect, Pendleton Co., West Virginia, USA
Owen iron deposit, Cambridge Hills, Wilson District, Lyon Co., Nevada, USA
Owen Lake, Omenica Mining Division, British Columbia, Canada
Owen-McGovern Prospect, Ruby Range, Madison Co., Montana, USA
Owen Mine (Black Boy), Takilma District, Josephine Co., Oregon, USA
Owen Nason's quarry, Dorchester, Boston, Suffolk Co., Massachusetts, USA
Owen prospect, Central District, Grant Co., New Mexico, USA
Owen Quarry, Montpelier District, Bear Lake Co., Idaho, USA
Owens (Black Nugget), Takilma District, Josephine Co., Oregon, USA
Owensboro Brick Plant (Lewisport Mine), Hancock Co., Kentucky, USA
Owensby Mining Claim (Bradley Mining Claim; Brothers Mining Claim; Mineral Messer Mining Claim), Calaveras Co., California, USA
Owens Claim, Riverside Co., California, USA
Owens County Highway Department, Owen Co., Indiana, USA
Owens District, Mohave Co., Arizona, USA
Owens Draw Occurrence, Weston Co., Wyoming, USA
Owen Shaft Prospect, Monroe Co., West Virginia, USA
Owen shaft, Trigg Co., Kentucky, USA
Owen-Sheppard Mine, Wilkinson Co., Georgia, USA
Owens Illinois Inc., Amador Co., California, USA
Owens Lake Clay Mine (Caltrans Clay), Inyo Co., California, USA
Owens Lake Mine, Inyo Co., California, USA
Owens Lake, Olancha, Owens Valley, Inyo Co., California, USA
Owens Lake Pit (Lake Minerals-Owens Lake Mine), Inyo Co., California, USA
Owens M. B. Pit, Marion Co., Florida, USA
Owens Mine, Apache No. 2 District, Hidalgo Co., New Mexico, USA
Owens Mine, Buford, Gwinnett Co., Georgia, USA
Owen's Mine, Calico, Calico District (Daggett District), Calico Mts (Calico Hills), San Bernardino Co., California, USA
Owens Mine, Gold Basin District, White Hills, Cerbat Mts (Cerbat Range), Mohave Co., Arizona, USA
Owens Mine, Mohave Co., Arizona, USA
Owens Mine (Old Owens; Janet Mine), Julian, Julian District, San Diego Co., California, USA
Owen Sound Quarry, Grey Co., Ontario, Canada
Owens Peak, Kern Co., California, USA
Owens pit (Knoll No. 1 cinder pit), Navajo Co., Arizona, USA
Owens Placer Mine, Sierra Co., California, USA
Owens Prospect, Goochland, Goochland Co., Virginia, USA
Owens Prospect, Halifax Co., Virginia, USA
Owens River, Inyo Co., California, USA
Owens Valley, Inyo Co., California, USA
Owens Valley meteorite, Owens Valley, Inyo Co., California, USA
Owen Vean Mine, Tregurtha Downs Mine, St Hilary, Mount's Bay District, Cornwall, England, UK
Owenyo, Inyo Co., California, USA
Owhat Prospect (Cobalt Creek), Aniak District, Bethel Borough, Alaska, USA
Owiecznik Hill, Sobięcin, Boguszów-Gorce, Wałbrzych District, Lower Silesia (Dolnośląskie), Poland
Owings Mills, Baltimore Co., Maryland, USA
Owingsville, Bath Co., Kentucky, USA
Owlacombe & Stormsdown Mine (West Beam Mine; Ashburton United Mines), Ashburton, Ilsington & Ashburton Area, Dartmoor & Teign Valley District, Devon, England, UK
Owl Canyon, Larimer Co., Colorado, USA
Owl Canyon Mine, San Bernardino Co., California, USA
Owl claim, Amole District, Tucson Mts, Pima Co., Arizona, USA
Owl claims, Owl Head Buttes area, Owl Head District, Pinal Co., Arizona, USA
Owl Copper Mine (John Diaz), Mariposa Co., California, USA
Owl Creek, Copper Falls, Keweenaw Co., Michigan, USA
Owl Creek deposit, Timmins Area, Cochrane District, Ontario, Canada
Owl Creek District, Hot Springs Co., Wyoming, USA
Owl Creek Fissure Mine, Copper Falls Mine, Copper Falls, Keweenaw Co., Michigan, USA
Owl Creek Mine, Placer Co., California, USA
Owlet Hole, Matlock, Derbyshire, England, UK
Owl Group (Virginia; Red Bird), Greenhorn District, Grant Co., Oregon, USA
Owl Gulch, Hinsdale Co., Colorado, USA
Owl Head District, Tortolita Mts, Pinal Co., Arizona, USA
Owl Head Mine (Owl Head claims), Brady Wash area, Durham Hills, Durham-Suizo District, Pinal Co., Arizona, USA
Owl Hole deposit (Owl Hole Gypsum prospect group; Owl Hole Spring deposit), Owl Hole Springs, Owlshead Mts, San Bernardino Co., California, USA
Owl Hole Gap Occurrence, Grainger Co., Tennessee, USA
Owl Holes area, Owl Hole Springs, Owlshead Mts, Death Valley, Death Valley National Park, San Bernardino Co., California, USA
Owl Hole Springs, Owlshead Mts, San Bernardino Co., California, USA
Owl Hollow Placer, Devils Backbone District, Tallapoosa Co., Alabama, USA
Owl Hollow Prospect, Monroe Co., Georgia, USA
Owl Hollow Prospect (Owl Pocket; Veteran), Applegate District, Jackson Co., Oregon, USA
Owl mine, Caballo Mountain District, Sierra Co., New Mexico, USA
Owl Mine, Calaveras Co., California, USA
Owl Mine, Virginia District, Lordsburg District, Pyramid Mts, Hidalgo Co., New Mexico, USA
Owl Mine (Wood-Owl Mine), Greenhorn Summit W area, Wofford Heights, Greenhorn Mountains District (Greenhorn District), Kern Co., California, USA
Owl Mts (Owl Hole Mts), Owlshead Mts, Death Valley, Death Valley National Park, San Bernardino Co., California, USA
Owl No. 1 and 2 Mine, Madera Co., California, USA
Owl No. 1 Prospect (Bright Outlook Mine), San Bernardino Co., California, USA
Owl Placer Mine, Mariposa Co., California, USA
Owl placer, Orleans (Orleans Bar; New Orleans Bar), Weitchpec District, Klamath Mts, Humboldt Co., California, USA
Owl Property, Butte Co., California, USA
Owl Prospect, Old River Arrastre, Mazourka Rare II Area, Inyo Co., California, USA
Owl Rock, Kayenta area, Navajo Co., Arizona, USA
Owls Head Celestite Prospect (Owlshead), San Bernardino Co., California, USA
Owls Head, Grenada, Siskiyou Co., California, USA
Owl's Head Mountain, Benton, Grafton Co., New Hampshire, USA
Owls Head Mt, Franklin Co., New York, USA
Owlshead Mts, Death Valley, Death Valley National Park, San Bernardino Co., California, USA
Owlshead prospects, Death Valley-Kingston Range District, Panamint Mts (Panamint Range), Death Valley National Park, Inyo Co., California, USA
Owls Head prospects (Nevel prospects), Buckfield, Oxford Co., Maine, USA
Owl's Head Quarry, Buckfield, Oxford Co., Maine, USA
Owls Nest Mine, Pima District (Olive District; Mineral Hill District; Twin Buttes District), Sierrita Mts, San Xavier (Tohono O'odom) Indian Reservation, Pima Co., Arizona, USA
Owl's Nest Mine, Tombstone District, Tombstone Hills, Cochise Co., Arizona, USA
Owl's Nest - Woodley Clay Pit, Polk Co., Florida, USA
Owls Spring prospect, Owl Hole Springs, Owlshead Mts, Death Valley, Death Valley National Park, San Bernardino Co., California, USA
Owl Vein Occurrence, Bohemia District (Champion District), Lane Co., Oregon, USA
Own Crews (MRDS - 10132337), Milwaukee Co., Wisconsin, USA
Own Crews (MRDS - 10156400), Buffalo Co., Wisconsin, USA
Own Crews (MRDS - 10156780), Milwaukee Co., Wisconsin, USA
Own Crews (MRDS - 10156813), Milwaukee Co., Wisconsin, USA
Own Crews (MRDS - 10156953), Marathon Co., Wisconsin, USA
Own Crews (MRDS - 10157311), Trempealeau Co., Wisconsin, USA
Own Crews (MRDS - 10159442), Waukesha Co., Wisconsin, USA
Own Crews (MRDS - 10180634), Milwaukee Co., Wisconsin, USA
Own Crews (MRDS - 10181976), Waukesha Co., Wisconsin, USA
Own Crews (MRDS - 10205198), Milwaukee Co., Wisconsin, USA
Own Crews (MRDS - 10205354), Winnebago Co., Wisconsin, USA
Own Crews (MRDS - 10205458), Walworth Co., Wisconsin, USA
Own Crews (MRDS - 10205646), Crawford Co., Wisconsin, USA
Own Crews (MRDS - 10205720), Marinette Co., Wisconsin, USA
Own Crews (MRDS - 10229487), Outagamie Co., Wisconsin, USA
Own Crews (MRDS - 10254208), Richland Co., Wisconsin, USA
Own Crews (MRDS - 10277821), Buffalo Co., Wisconsin, USA
Own Crews (MRDS - 10277898), Dunn Co., Wisconsin, USA
Own Crews (MRDS - 10278010), Marquette Co., Wisconsin, USA
Own Crews (MRDS - 10278042), Green Co., Wisconsin, USA
Own Crews (MRDS - 10278175), Jefferson Co., Wisconsin, USA
Own Crews (MRDS - 10302150), Brown Co., Wisconsin, USA
Own Crews (MRDS - 10302162), Fond Du Lac Co., Wisconsin, USA
Own Crews (MRDS - 10302431), Vernon Co., Wisconsin, USA
Own Crews (MRDS - 10302802), Marathon Co., Wisconsin, USA
O & W Placer Mine, Happy Camp, Klamath Mts, Siskiyou Co., California, USA
Owsley Quarry (Salem West Quarry; Edward Kraemer & Sons Quarry), Salem, Washington Co., Indiana, USA
Owyhee Black Rock, Malheur Co., Oregon, USA
Owyhee Co., Idaho, USA
Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA
Owyhee Land No. 1, Malheur Co., Oregon, USA
Owyhee Mercury Property, Owyhee Co., Idaho, USA
Owyhee Mine, Malheur Co., Oregon, USA
Owyhee prospect, Mountain City District, Elko Co., Nevada, USA
Owyhee Reservior Bentonite Occurrence, Malheur Co., Oregon, USA
Owyhee Rims No. 1, Malheur Co., Oregon, USA
Owyhee Rims No. 2, Malheur Co., Oregon, USA
Owyhee River Occurrence, Owyhee Co., Idaho, USA
Owyhee River placers, Mountain City District, Elko Co., Nevada, USA
Owyhee Silver Mining, Owyhee Co., Idaho, USA
Owyhee Sodium Nitrate Prospect, Malheur Co., Oregon, USA
Owyhee Sunset, Malheur Co., Oregon, USA
Owyhee West, Lake Co., Oregon, USA
Ow Yuen Claims (Akers; Oregon Caves), Sucker Creek District, Josephine Co., Oregon, USA
Oxapampa Province, Pasco Department, Peru
Oxbow Creek, Maricopa Co., Arizona, USA
Oxbow Dam, Baker Co., Oregon, USA
Oxbow Estates, Payson District (Green Valley District), Gila Co., Arizona, USA
Oxbow Group (Oxbow Nos. 1-6; Oxbow Fraction), Riverside Co., California, USA
Oxbow Hill, Oxbow Estates area, Payson District (Green Valley District), Gila Co., Arizona, USA
Oxbow, Jefferson Co., New York, USA
Oxbow Mine, Chiricahua Mts, Cochise Co., Arizona, USA
Oxbow Mine (Oxbow claim; Golden Wreath claim; Golden Wreath Mine; Osborn prospect), Oxbow Gulch, Moore Mountain area, Oxbow Estates area, Payson District (Green Valley District), Gila Co., Arizona, USA
Oxbow mine, Red River Parish, Louisiana, USA
Oxbow, St. Lawrence Co., New York, USA
Oxbow, Theresa Township, Jefferson Co., New York, USA
Oxclose mine, Snitterton, Derbyshire, England, UK
Oxec Mine, Alta Verapaz Department, Guatemala
Oxen Mine, North Tintic District (Caledonia District; Oasis District), East Tintic Mts, Utah Co., Utah, USA
Oxford Co., Maine, USA
Oxford Co., Ontario, Canada
Oxford Cut (Oxford-West Morrison Cut), Hastie's Quarry, Spar Mountain, Cave-in-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
Oxford, East Nottingham Township, Chester Co., Pennsylvania, USA
Oxford Furnace, Oxford, Oxford Township, Warren Co., New Jersey, USA
Oxford Furnace, Oxford Township, Warren Co., New Jersey, USA
Oxford Furnace, Oxford, Warren Co., New Jersey, USA
Oxford Granite quarry, Oxford, Oxford Co., Maine, USA
Oxford, Harlan Co., Nebraska, USA
Oxford Iron Mine (Ross), James River-Roanoke River Mn-Fe-Ba District, Campbell Co., Virginia, USA
Oxford, Llano Co., Texas, USA
Oxford Mine, Little Cottonwood District (Alta District), Wasatch Mts, Salt Lake Co., Utah, USA
Oxford Mine, Nevada Co., California, USA
Oxford Mine (Oxford Mine and mill; Oxford lease and mill), Downieville, Sierra Co., California, USA
Oxford mine, Weippe District (Musselshell District), Nez Perce Co., Idaho, USA
Oxford, New Haven Co., Connecticut, USA
Oxford, Oxford Co., Maine, USA
Oxford, Oxford Township, Warren Co., New Jersey, USA
Oxford Pits, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
Oxford Prospect (J 1 C Group; Silver Creek), Oxford District, Clearwater Co., Idaho, USA
Oxford Quarry, Calhoun Co., Alabama, USA
Oxford Quarry, Newton Co., Georgia, USA
Oxford Serpentine Quarry (Collins prospect), Oxford, Llano Co., Texas, USA
Oxfordshire, England, UK
Oxford Silver mine, Milton, Oxford Co., Maine, USA
Oxford Stone Co. Quarry (Tilcon New Jersey Quarry), White Township, Warren Co., New Jersey, USA
Oxford Township, Warren Co., New Jersey, USA
Oxford, Warren Co., New Jersey, USA
Oxford, Worcester Co., Massachusetts, USA
O. X. group, Julian, Julian District, San Diego Co., California, USA
Ox Group Prospect, Circle District, Yukon-Koyukuk Borough, Alaska, USA
Ox Group, Stateline District (Hamlin Valley), Iron Co., Utah, USA
Oxhide Mine (Lower Ox Hide Mine; Upper Ox Hide Mine; Schultze Mine; Schultze group), Miami, Miami-Inspiration District, Globe-Miami District, Gila Co., Arizona, USA
Oxia Palus quadrangle, Mars
Oxide Claims, Creede District, Mineral Co., Colorado, USA
Oxide Creek Mine, Council District, Nome Borough, Alaska, USA
Oxide King claim, Picuris District, Taos Co., New Mexico, USA
Oxide Lode Prospect, Lava Creek District, Butte Co., Idaho, USA
Oxide Mine, Del Dios, San Diego Co., California, USA
Oxide Mine (Oxide open pit mine; Young America Mine; Young American Mine), Silver Bell Mine, Mineral Mountain, Silver Bell District, Silver Bell Mts, Pima Co., Arizona, USA
Oxide Mine, Upper Blue River District, Park Co., Colorado, USA
Oxide No. 1, Thompsons District (S. E. Thomsons), Grand Co., Utah, USA
Ox Lake Cu deposit, Ootsa Lake, Omenica Mining Division, British Columbia, Canada
Oxley Prospect, Moore Hill, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Oxley River, Mount Warning, Tweed Shire, Queensland, Australia
Öxling Mine (Öchsling Mine), Zirmsee area, Kleine Fleiß valley, Goldberg group, Hohe Tauern, Carinthia, Austria
Oxman Mine (Oxman and Owens Mine; Snowball), Upper Mississippi Valley District, Iowa Co., Wisconsin, USA
Oxmoor, Birmingham District, Jefferson Co., Alabama, USA
Oxner Prospect, Jackson Co., North Carolina, USA
Oxon Hill, Prince Georges Co., Maryland, USA
Oxygon Cove slag locality, Oxygon area, Lavrion District slag localities, Lavrion (Laurion; Laurium) District, Attikí (Attica; Attika) Prefecture, Greece
Ox Yoke Mine, Placer Co., California, USA
Oya-cho, Yabu-gun, Hyogo Prefecture, Kinki Region, Honshu Island, Japan
Oyahana, Chichibu-gun, Saitama Prefecture, Kanto Region, Honshu Island, Japan
Oyama and Meyama, Tsuyama City, Okayama Prefecture, Chugoku Region, Honshu Island, Japan
Oyama-cho, Toyama Prefecture, Chubu Region, Honshu Island, Japan
Oyama No. 2 deposit, Hanaoka mine, Odate, Akita prefecture, Tohoku region, Honshu Island, Japan
Oyama Occurrence, Eureka District, San Juan Co., Colorado, USA
Oyam District, Uganda
Oya Mine, Motoyoshi, Miyagi Prefecture, Tohoku Region, Honshu Island, Japan
Oya Mine, Oya-cho, Yabu-gun, Hyogo Prefecture, Kinki Region, Honshu Island, Japan
Oyashirazu beach, Ohmi, Itoigawa City, Niigata Prefecture, Chubu Region, Honshu Island, Japan
Øyestad, Arendal Iron Mines, Arendal, Aust-Agder, Norway
Øygarden, Hordaland, Norway
Oygarden Islands, Edward VIII Bay, Enderby Land, Eastern Antarctica, Antarctica
Oyhut, Grays Harbor Co., Washington, USA
Oyler Mine (Oyler Radium Mine; Nightingale Mine; Nightingale Claim), Fruita, Fremont District, Wayne Co., Utah, USA
Øynaheia, Froland, Aust-Agder, Norway
Oyon Province, Lima Department, Peru
Oyo State, Nigeria
Oyrargjogv, Vágar island (Vagur island), Faroe Islands (Faeroe Islands; Faeroes; Faroes), Denmark
Øystre Slidre, Valdres, Oppland, Norway
Oyukiya mine, Karumai, Iwate Prefecture, Tohoku Region, Honshu Island, Japan
Oyu Tolgoi (Turquoise Hill) Cu-Au deposit, Erdenetsogt, Ömnögovi Aimag, Mongolia
Oyuut Ulaar Ovoo Mine, Dzüünbayan, Dornogovi Aimag, Mongolia
Ozark Co., Missouri, USA
Ozark Creek Placer Mine (Bald Eagle Black Hawk), Florence District (French Creek District), Idaho Co., Idaho, USA
Ozark Extension, Florence District (French Creek District), Idaho Co., Idaho, USA
Ozarkher, Dindori (Dhindori), Nasik District, Maharashtra, India
Ozark lead mine, Fredericktown, Fredericktown District, Madison Co., Missouri, USA
Ozark Limestone Quarry, Mackinac Co., Michigan, USA
Ozark-Mahoning Group, Cave-In-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
Ozark-Mahoning Mine, Ozark-Mahoning Group, Cave-In-Rock Sub-District, Illinois - Kentucky Fluorspar District, Hardin Co., Illinois, USA
Ozark Mine (Bully Boy), Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA
Ozark mine, Crater of Diamonds State Park (Arkansas Diamond Corp. Mine; Mauney Mine; Ozark Mine; Prairie Creek Lamproite), Murfreesboro, Pike Co., Arkansas, USA
Ozark Mine (Foster Camp; Ozark claims), Jarbidge District, Elko Co., Nevada, USA
Ozark Mine (Midas; The Big Ten), Oro Grande, Oro Grande District, San Bernardino Co., California, USA
Ozark Mine, North Fork District, Trinity Co., California, USA
Ozark Mine (Ozark shaft), Silvermine, Fredericktown District, Madison Co., Missouri, USA
Ozark Mine, Pierce City District, Clearwater Co., Idaho, USA
Ozark Placer, Calaveras Co., California, USA
Ozark Prospect, Highland District (Siberia District), Silver Bow Co., Montana, USA
Ozaukee Co., Wisconsin, USA
Ozbak Kuh Mine, Yazd Province, Iran
Ozdín, Poltár Co., Banská Bystrica Region, Slovakia
Ozekigoe, Otsu City, Shiga prefecture, Kinki region, Honshu Island, Japan
Ozernaya Mount, Dzheltul'skii massif, Kureika river, Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia
Ozernaya pipe, Alakit-Markha, Daldyn-Alakit kimberlite field, Saha Republic (Sakha Republic; Yakutia), Eastern-Siberian Region, Russia
Ozernoe Ag-Pb-Sb deposit, Asgat-Ozernoe zone, Yustid ore cluster, Altai Republic (Gorno-Altayskaya Autonomous Oblast'), Western-Siberian Region, Russia
Ozernoe Cu deposit, Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan
Ozernovskoe deposit, Kamchatka Oblast', Far-Eastern Region, Russia
Ozerny deposit, Buriatia (Buryatia) Republic, Transbaikalia (Zabaykalye), Eastern-Siberian Region, Russia
Ozette Beach Placer, Ozette, Cape Flattery District, Clallam Co., Washington, USA
Ozieri, Sassari Province, Sardinia, Italy
Ozier Mine (Ozer), Bear Valley Mining District, San Bernardino Co., California, USA
Ozinki, Saratov Oblast', Povolzhsky Region, Russia
Ozola Valley, Ligonchio, Reggio Emilia Province, Emilia-Romagna, Italy
Ozsdola (Ojdula), Covasna Co., Romania
Ozukure cliffs, Yaizu, Shizuoka prefecture, Chubu region, Honshu Island, Japan
Ozzna Creek Prospect, McGrath District, Yukon-Koyukuk Borough, Alaska, USA
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Locality Updated:
Arnhem Cave, Windhoek District, Khomas Region, Namibia
From
Debbie Woolf
, 11th Feb 2012 17:24:22