Clay minerals from USA

Clay minerals

Stoddard Mine, Westmoreland, Cheshire County, New Hampshire, USA

Clay minerals

Dummerston, Windham County, Vermont, USA

Clay minerals

Dummerston, Windham County, Vermont, USA

Clay minerals

Schuylkill River at Penrose Ferry Bridge, Philadelphia, Philadelphia County, Pennsylvania, USA

Clay minerals

Stoddard Mine, Westmoreland, Cheshire County, New Hampshire, USA

Clay minerals

Dummerston, Windham County, Vermont, USA

Clay minerals

Schuylkill River at Penrose Ferry Bridge, Philadelphia, Philadelphia County, Pennsylvania, USA

Clay minerals

Stoddard Mine, Westmoreland, Cheshire County, New Hampshire, USA

Clay minerals

Dummerston, Windham County, Vermont, USA

Clay minerals

Dummerston, Windham County, Vermont, USA

Clay minerals

Schuylkill River at Penrose Ferry Bridge, Philadelphia, Philadelphia County, Pennsylvania, USA


USA
Alabama Baldwin County ⓘ Koehler Quarry	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay - Sand and Gravel Quarry (MRDS - 10081397)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay - Sand and Gravel Quarry (MRDS - 10081399)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Houston County ⓘ Box Quarry	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mobile County ⓘ Adams Dirt Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Axis Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Harris Quarry	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Joe Yates Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Laidlaw Number 1 Quarry	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Maples Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ McConnell Quarry	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Old Shell Road Quarry	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay - Sand and Gravel Quarry (MRDS - 10107411)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Alaska Aleutians East Borough ⓘ Littlejohn Occurrence	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Bethel Census Area Aniak Mining District ⓘ Alice and Bessie Mine (Parks Mine)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Iditarod Mining District ⓘ DeCourcy Mountain Mine	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Denali Borough Kantishna Mining District ⓘ Chloride Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Jupiter-Mars Prospect (Damon and Pythias)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Dillingham Census Area Bristol Bay Mining District ⓘ Sleitat Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Bristol Bay Region District ⓘ Unnamed Occurrence (ARDF - GO010; tributary to Trail Creek)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Hoonah-Angoon Census Area Chichagof Mining District (Chicagof Mining District) ⓘ Yakobi Island; Miner Island Mine	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Kenai Peninsula Borough Homer Mining District ⓘ Rock Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Hope Mining District ⓘ REC 3-9 Occurrence	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Redoubt Mining District ⓘ West Chilligan Occurrence	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Kusilvak Census Area Marshall Mining District ⓘ Kako Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Lake and Peninsula Borough Redoubt Mining District ⓘ Golden Fleece Prospect (Emerald Lake)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ KUY Prospects	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Matanuska-Susitna Borough Valdez Creek Mining District ⓘ Treasure Creek Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Unnamed Prospect (ARDF - TK099; in upper Granite Creek)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Zackly Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Yentna Mining District ⓘ King and Queen; Golddigger Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Nome Census Area Council Mining District ⓘ Bluff Mine	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Foster Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Fairhaven Mining District ⓘ Unnamed Prospect (ARDF - BN050; Ferndale Creek) ?	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Port Clarence Mining District ⓘ Bartels Mine; Cape Mountain; Canoe; Percy Lode Mine	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Kelly Creek Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ South Hill Prospects (near Potato Mountain)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Northwest Arctic Borough Fairhaven Mining District ⓘ Nelson Creek Occurrence ?	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Prince of Wales-Hyder Census Area Ketchikan Mining District Prince of Wales Island Stone Rock Bay ⓘ Unnamed Occurrence (ARDF - DE042)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Southeast Fairbanks Census Area ⓘ Cameron; Chicken West; Opal Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Champion II Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Eagle Mining District ⓘ Flanders Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Goodpaster Mining District ⓘ Carrie Creek; Lynx Saddle; Missing Lynx; Tripper Ridge; West Carrie Creek Prospects	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Silver Lining Prospect	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Unnamed Occurrence (ARDF - EA126; Walker Fork)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
ⓘ Wall Street Mine	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Valdez-Cordova Census Area Chistochina Mining District ⓘ Elizabeth Prospect (ARDF - GU025)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Prince William Sound Mining District ⓘ Unnamed Occurrence (ARDF - SR058; Billings Glacier)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Yukon-Koyukuk Census Area Innoko Mining District ⓘ Unnamed Occurrence (ARDF - ID024; east of lower Spaulding Creek)	(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
Arizona Apache County Black Mountain Mining District (Black Mesa Mining District) Taasahdi Dzil ⓘ Alkali Water Gap prospect	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. guidebook: 1147-148 Peirce, W.H. (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182.
ⓘ Begay No. 1 Mine (Thomas Begay No. 1; Begay #1)	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. guidebook: 147-148 Peirce, W.H. (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182.
ⓘ Claim 28 Mine	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. guidebook: 147-148 Peirce, W.H. (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182.
ⓘ Claim 7 Mine (Homer Scott Mine; Dry Run Canyon)	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148 Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182
ⓘ La Gloria Oil & Gas claim	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148 Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182
ⓘ M.O. 28 Mine	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148 Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182
Carrizo Range Black Rock Point Mining District Toh Atin Mesa ⓘ Unidentified clay occurrence [2]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
Northeast Carrizo Mountains Mining District Teec Nos Pos ⓘ Unidentified clay occurrence [3]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
Lukachukai Mountains Lukachukai Mining District White Ash Peak ⓘ Mesa No. 1 Mine	Weeks, A. D. and Thompson, M. E., 1953, Identification and Occurrence of Uranium and Vanadium Minerals from the Colorado Plateaus, Trace Elements Investigations 334, USGS.
Rough Rock Mining District Rough Rock ⓘ Rough Rock Slope No. 9 Mine	Chenoweth, W.L. (1973), Uranium deposits of northwestern Arizona, New Mexico Geol. Soc. 24th. field guidebook: 147-148 Peirce, H.W., S.B. Keith and J.C.Wilt (1970), Coal, oil, natural gas, helium, and uranium in Arizona, AZ Bur. Mines Bull. 182
Round Rock ⓘ Round Rock Mesa Clay deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Sanders-Defiance Plateau area (Sanders-Cheto District) Sanders ⓘ Allentown Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey. Elevatorski, E.A. (1978), Arizona Industrial Minerals, AZ Dept. of Min. Resources, Min Rpt. No. 2 Patterson, S.H. (1969), "Clay", in AZ Bur. Mines Bull. 180, USGS Bull. 71: 329.
ⓘ Chambers Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cheto 1	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cheto Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cheto No. 2 Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unidentified clay deposit [1]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file. Phillips, K.A. (1987), Arizona Industrial Minerals AZ Dept. of Mines and Mineral Resources Mineral Rpt. 4 Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
Cochise County Curtiss ⓘ Curtis Diatomite deposit (Curtiss Diatomite deposit)	MRDS database Dep. ID file #10060237, MRDS ID #TC10206.
Perilla Mountains Douglas Mining District (Ash Springs Mining District) Douglas ⓘ Douglas Area Gypsum Mine	MRDS database Dep. ID file #10105115
Whetstone Mining District ⓘ Whetstone Mountains Clay deposit	MRDS database Dep. ID file #10060264, MRDS ID #TC10263.
Coconino County Bellemont ⓘ Rogers Lake Clay deposit	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file. Phillips, K.A. (1987), Arizona Industrial Minerals, AZ Dept. of Mines & Mineral Resources Rpt. 4. Elevatorski, E.A. (1978), Arizona Industrial Minerals, AZ Dept. of Min. Resources, Min Rpt. No. 2
Cameron Mining District Cameron ⓘ Moenkopi Wash Bentonite deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Coal Mine Mesa ⓘ Unnamed clay deposit [2]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed clay deposit [3]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card files. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Univ. of AZ
Gila County Mazatzal Mountains Sunflower Mining District (Mazatzal Mountains Mining District; Quicksilver Mining District) Reno Pass ⓘ Reno Pass Four deposit	MRDS database Dep. ID #10064496, MRDS ID #TC3879
Mogollon Rim Visitor Center area ⓘ Chris Clay deposit	MRDS database Dep. ID #10064493, MRDS ID #TC38875.
Pinal Mountains Pinal Mountains Mining District ⓘ Azurite Mine (Blue Bell)	MRDS database Dep. ID #10064503, MRDS ID #TC38886.
Sierra Ancha Mountains Sierra Ancha Mining District Workman Creek Valley Rose Creek Lodge area ⓘ Hope Mine (Hope deposit)	MRDS database Dep. ID #10027327, MRDS ID #002877.
Tonto Basin Mining District Tonto Basin Deer Creek Village Subdivision ⓘ Quintonite Clay deposit (Quintonite group)	MRDS database Dep. ID #10056444, MRDS ID #TC00260.
Rancho Del Escondido ⓘ Unnamed clay deposit	MRDS database Dep. ID #10064500, MRDS ID #TC38883.
Graham County Aravaipa Mining District Aravaipa Valley Bonita ⓘ Unnamed clay pits	MRDS database Dep. ID #10056446, MRDS ID #TC00262.
ⓘ Canuk group	MRDS database Dep. ID #10014841
ⓘ Last Chance prospect (Last Chance claims)	MRDS database Dep. ID #10094706.
Whitlock Mountains Dry Mountain ⓘ Unnamed clay occurrence	MRDS database Dep. ID #10056445, MRDS ID #TC00261.
La Paz County Buckskin Mountains Cienega Mining District ⓘ Clay King Mine	MRDS database Dep. ID file #10056447, MRDS ID #TC00263.
Maricopa County ⓘ Arizona White Eagle Stucco Company clay deposit	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file. AZ Bur. Mines file data MRDS file #10095941.
ⓘ Tolleson Mine	MRDS file #10056437.
Mohave County Artillery Mountains Maggie Canyon ⓘ Maggie Canyon zeolite and Mn deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Black Mountains Oatman Mining District Union Pass Mining District (Katherine Mining District) ⓘ Monarch group	Schrader, F.C. (1909), Mineral deposits of the Cerbat Range, Black Mountains, and the Grand Wash Cliffs, Mohave County, Arizona: USGS Bulletin 397: 213.
Hualapai Mountains ⓘ Giles clay deposit	MRDS file #10210948.
ⓘ Little Jimmie prospect (Little Jimmy prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Lucky 44 claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed clay deposit [1]	MRDS file #10210706.
White Hills Gold Basin Mining District ⓘ Fry Mine	MRDS file #10283916.
Navajo County Cow Springs Mining District Shonto ⓘ Unidentified clay occurrence [5]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card file. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ: 25
First Mesa ⓘ Unidentified clay occurrence [1]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card files. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
ⓘ Unidentified clay occurrence [2]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card files. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
ⓘ Unidentified clay occurrence [3]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card files. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
Nakai Mesa Mining District Skeleton Mesa ⓘ Skeleton Mesa Bentonite deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pinedale ⓘ Rim Quarry (Saul Quarry; Rim Clay)	AZ Dept. Mines & Min. Resources (1989), Directory of active mines in Arizona, incorporating sand and gravel operations 1989-1990, AZ Dept. Of Mines & Min. Resources Directory Phillips, K.A. (1987), Arizona Industrial Minerals, AZ Dept. of Mines & Minerals Min.Rpt. 4 AZ Dept. Mines & Min. Resources Directory 36
Tsegi ⓘ Unidentified clay occurrence [4]	Peirce, H.W. (1990), AZ Geol. Sur. Industrial Minerals card files. Kiersch, G.A. (1955), Mineral resources Navajo-Hopi India reservations, Arizona-Utah, Vol. II, Univ. of AZ
Winslow Mining District Winslow ⓘ Unnamed Bentonite occurrence [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pima County Ajo Mining District Little Ajo Mountains Ajo ⓘ New Cornelia Mine	Locality description.
Greaterville Mining District ⓘ Ophir prospect	MRDS database Dep. ID file #10039645, MRDS ID #M050563.
ⓘ Hamilton Brick Co. property	MRDS database Dep. ID file #10064510, MRDS ID #TC38895.
Marsh Station vicinity Cross Hill ⓘ Remco Materials Gypsum Mine
ⓘ Rillito Mine	MRDS database Dep. ID file #10056438, MRDS ID #TC00252.
Rincon Valley ⓘ California-Portland Cement Co. property (California Portland Cement Co. Clay lease)	MRDS database Dep. ID file #10064511, MRDS ID #TC38896.
Pantano Wash ⓘ Cross Hill Quarry (Pantano Clay deposit; Mineral Lease No. 23880C)	(n.d.) ADMMR Mines Database, Arizona Geological Survey. Keith, Stanton B. (1974), AZ Bur. of Geol. & Min. Technology, Geol. Survey Br. Bull. 189, Index of Mining Properties in Pima County, AZ: 141 (Table 4)
ⓘ Rincon Valley No. 1	MRDS database Dep. ID file #10064508, MRDS ID #TC38893.
ⓘ Rincon Valley No. 2	MRDS database Dep. ID file #10064513, MRDS ID #TC38898.
ⓘ Rincon Valley No. 4	MRDS database Dep. ID file #10064512, MRDS ID #TC38897.
ⓘ Rincon Valley No. 6	MRDS database Dep. ID file #10064509, MRDS ID #TC38894.
ⓘ Rincon Valley No. 7	MRDS database Dep. ID file #10064507, MRDS ID #TC38892.
ⓘ Unnamed Clay occurrence	MRDS database Dep. ID file #10186265, MAS ID #0040190689.
Sierrita Mountains Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District) San Xavier Mission complex ⓘ Mission pit	Singer, Donald A., Berger, Vladimir Iosifovich, Moring, Barry C. (2005) Porphyry copper deposits of the world: database, map, and grade and tonnage models. Open-File Report 2005-1060. US Geological Survey doi:10.3133/ofr20051060
Tucson Mountains Amole Mining District ⓘ Grabe Brick Co. property	MRDS database Dep. ID file #10064506, MRDS ID #TC38890.
Saginaw Hill (Saginaw property) Amole Mine group ⓘ Saginaw Mine	MRDS database Dep. ID file #10039675, MRDS ID #M050631.
Yavapai County Camp Verde Mining District Camp Verde ⓘ Camp Verde Salt Mine	MRDS database Dep. ID #10062403, MRDS ID #TC35800.
ⓘ Verde River deposit	MRDS database Dep. ID #10060244, MRDS ID #TC10214.
Clarkdale ⓘ Clarkdale Clay Quarry (Lakebed Quarry)	MRDS database Dep. ID #10060263, MRDS ID #TC10262.
ⓘ Clay claims	MRDS database Dep. ID #10056452, MRDS ID #TC00270.
ⓘ Dave 1-4 claims	MRDS database Dep. ID #10064490, MRDS ID #TC38871.
ⓘ Dewey Ranch Clay No. 1 deposit	Phillips, K.A. (1987), Arizona Industrial Minerals Arizona Department of Mines and Mineral Resources Mineral Report 4 MRDS database Dep. ID #10064488, MRDS ID #TC38869.
ⓘ Dewey Ranch No. 2 deposit	AZ Dept. Mines & Min. Resources (1989), Directory of active mines in Arizona, incorporating sand and gravel operations 1989-1990, AZ Dept. Of Mines & Min. Resources Directory Phillips, K.A. (1987), Arizona Industrial Minerals AZ Dept. of Mines and Mineral Resources Mineral Rpt. 4 MRDS file #10110115.
ⓘ Krueger Mine (Marine placers)	MRDS database Dep. ID #10210697, MAS ID #0040251256.
ⓘ McCarthy Clay pit	MRDS database Dep. ID #10064487, MRDS ID #TC38868.
ⓘ Meershaum deposit	MRDS database Dep. ID #10064489, MRDS ID #TC38870.
ⓘ Sepiolite occurrence	MRDS database Dep. ID #10064494, MRDS ID #TC38876.
ⓘ White Clay deposit	MRDS database Dep. ID #10064492, MRDS ID #TC38874.
Arkansas ⓘ Greene County	Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826
Hot Spring County Perla ⓘ Malvern clay pits	www.rockhoundingar.com (n.d.) http://www.rockhoundingar.com/fieldtrips/amber.html
Howard County Briar ⓘ Certain Teed Gypsum Mine (Briar Gypsum Mine; Weyerhauser Mine; BPB Mine; James Hardy Mine; Dierks Mine)	Arkansas Geological Commission
ⓘ Pulaski County	Arkansas Geological Commission
ⓘ Saline County	Arkansas Geological Commission
Paron ⓘ Green's Crystal Mine (Clouds Mine)	Smith, Arthur E. Jr. (1997) Collecting Arkansas Minerals. L. R. Ream Publishing, Coeur d'Alene, ID.
California Amador County Buena Vista Peaks ⓘ China Gulch prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Buena Vista ⓘ Berry Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Buena Vista pit (Buena Vista Peak pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Chitwood pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Fancher pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Farci pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Kaolin-Eye pit (Kaolin-Fye pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Maddox Clay Company prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Sand Plant Calcine No. 2	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Solari Carlile Clay and Sand pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed clay pit [3]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed clay pit [4]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed clay pit [5]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Wallen prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Woolford pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Dagon ⓘ Smokey No. 2 pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Smokey No. 3 pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ione ⓘ Amick occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Cheney Hill pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Custer pit (Grog pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Indian Hill Mill	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Shepard Barber pit (Shepard; Barber)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ State of California Mine	USGS MRDS database (2005). USGS crib
ⓘ Western Refractories property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Yager Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Irish Hill Mining District Carbondale ⓘ Chocolate prospect (Harvey prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Clark Sand pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Hammer clay deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ King and Enos pit (Free)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Lot 232 Lignite pit (Coal Mine No. 4)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Yaru No. 1 deposit (Yarv No. 1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Yosemite pits (Harvey pits)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Clarksona ⓘ Deutschke pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Dosch pit (Clark pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Edwin deposits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Laterite pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Forest Home ⓘ Hope Fountain occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed clay pits [2]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Irish Hill ⓘ Baker Hill pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Chalk Hill pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Irish Hill Gage	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Yaru No. 2 deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pardee Mining District Sunnybrook ⓘ Ecklund property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Waters Peak ⓘ Unnamed clay pit [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Butte County Bangor ⓘ Lund Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Big Bend Big Bend Mountain ⓘ Bohannon Ranch deposit (Yankee Hill deposit)	Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 66.
Shippee ⓘ Table Mountain Clay Products Company	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Wyandotte ⓘ Unnamed Clay occurrence [1]	Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 66.
Calaveras County Camanche Mining District Burson (Helisma Station) ⓘ Helisma Fireclay deposit (Houts)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Wallace ⓘ Chaney pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Foothill Copper Belt Campo Seco Mining District Campo Seco ⓘ Penn Mining Company property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pardee Mining District Camp Pardee ⓘ Foothills pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Snyder clay pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Del Norte County Crescent City ⓘ Uvaldon V Miller pit	USGS MRDS database (2005). Mesa Mine reference /1ST ID # 0402637
Fresno County Fresno ⓘ Hans Sumpe pit and mill	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay pit [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Humboldt County Beatrice Table Bluff ⓘ Unnamed Clay occurrence [1]	Averill, Charles V. (1941), Mineral resources of Humboldt County: California Journal of Mines and Geology, California Division Mines (Report 37): 37(4): 506.
ⓘ Unnamed Clay prospect [2]	USGS MRDS database (2005), loc. file ID #10076580. Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources: figure __
Big Lagoon [town] Big Lagoon Big Lagoon area ⓘ Dry Lagoon Drive occurrence	USGS MRDS database (2005). Averill, Charles V. (1941), Mineral resources of Humboldt County: California Journal of Mines and Geology, California Division Mines (Report 37): 37(4): 50_
Coastal Range Humboldt Hill ⓘ Weatherby Peach prospect	USGS MRDS database (2005). Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources
Korbel ⓘ Hungry Hollow prospect	Averill, Charles V. (1941), Mineral resources of Humboldt County: California Journal of Mines and Geology, California Division Mines (Report 37): 37(4): 506.
Myrtletown ⓘ Freshwater Slough prospect	Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99.
ⓘ Thompson Brick Company Mine	Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 81.
Imperial County Bertram Bertram siding ⓘ Bertram Mine (Bertram Siding Sulfate deposit; Bertram Sodium Sulphate deposits)	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 108
Inyo County Amargosa Desert Franklin Well ⓘ White King Mine (Floozy Duzy)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Amargosa Range Funeral Mts (Funeral Range) Pyramid Peak ⓘ Blanco prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Kingfish No. 1 prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Kingfish No. 2 prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Red Ampitheater occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Southeast Mineralized Zone	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay prospect [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Yellow Heart prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Argus Mts (Argus Range) Argus Mining District (Kellcy Mining District; Sherman Mining District) Mountain Spring ⓘ Unnamed Fe occurrence [4] (Unnamed adit Mountain Springs Canyon)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Coso Hot Springs Coso Hot Springs deposit ⓘ Coso Mine (Devil's Kitchen; Atlas; Lynch & Lynch; Nicol; Walley-Mickey & Wheeler)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. Ross, Clyde Polhemus & Robert Giertz Yates (1943), The Coso quicksilver district, Inyo County, California: USGS Bulletin 936-Q: 395-416.
ⓘ Wheeler Area Mine (Coso Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Darwin Hills Darwin Mining District Darwin ⓘ Darwin Mines (Darwin group; Defiance; Driver; Independence; Lane; Liberty; Lucky Jim; Southwest and Thompson; Bernon; Rip Van Winkle; Mexicanus Colorado Inc.)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Dublin Hills Shoshone ⓘ Ash Meadows Zeolite deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Furnace Creek Mining District (Furnace Creek Borate Mining District) Ryan ⓘ Boraxo Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Twenty Mule Team Canyon ⓘ Mott prospect (Mott Colemanite prospect; Mott open cut)	Schaller, Waldemar T., Vlisidis, Angelina C., Mrose, and Mary E. (1965) Macallisterite, 2MgO·6B₂O₃·15H₂O, a new hydrous magnesium borate mineral from the Death Valley region, Inyo County, California. American Mineralogist, 50 (5-6) 629-640
ⓘ South Meridian claim	Erd, Richard C., McAllister, James F., Eberlein, G. Donald (1979) New data on hungchaoite, the second world occurrence, Death Valley region, California. American Mineralogist, 64 (3-4) 369-375
ⓘ Green Velvet claims (Green Velvet claim; Green Velvet group)	Murdoch, Joseph, Webb, Robert W. (1966) Minerals of California, Centennial Volume (1866-1966) - California Division Mines and Geology, Bulletin 189. p.1-559.
Owens Valley Dirty Socks Spring ⓘ Owens Lake Clay Mine (Caltrans Clay)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Panamint Valley Panamint Springs ⓘ Brown Mud Company prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Sugar Loaf ⓘ Calearth Mine (Calearth-4; Oversight; Lake View)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Kern County Boron ⓘ Kramer Borate deposit	U.S. Borax
Chuckwalla Mountain ⓘ Red Hill deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Edwards (Muroc) ⓘ Antelope Materials Company Mine (Macco Construction Company Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rogers Lake (Rodriquez Lake; Muroc Lake; Rogers Lake Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. (2005) Mineral Resources Data System (MRDS), US Geological Survey.
El Paso Mountains District Red Buttes ⓘ McKendry group (McKentry; McKendry Bentonite; Daly claim; Day claim; Grubstake Hill claim)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ White Bluff occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ricardo ⓘ Cantil pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Hancock deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Fremont Valley Cinco ⓘ Unnamed Clay deposit [3] (Clay Deposit No. 3)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mojave-Rosamond Mining District (Mojave Mining District) Rosamond ⓘ Riley Clay deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tropico Hill ⓘ Tropico pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Webb deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
North Edwards (Edgemont Acres; North Muroc) ⓘ Muroc Clay deposit (Bager Placer claim)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tehachapi Mountains Woodford ⓘ Walabu Mine (Walibu Mine; Cudde Back Mine; Cuddeback Mine; Cuddiback Mine)	Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Van Nostrand Reinholt Press: 115.
Temblor Range Reward ⓘ Excel Mineral Company deposit (McKittrick Quarry)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Spellacy ⓘ Elkhorn pit and mill	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lake County East Mayacmas Mining District Cobb ⓘ Kims Yard II (Anderson Springs pit)	USGS MRDS database (2005). California Division of Mines and Geology Active Mines Database (1991)
Sulphur Creek Mining District (Sulfur Creek Mining District; Wilbur Springs Mining District) Clear Lake ⓘ Unnamed Clay occurrence [1]	USGS MRDS database (2005), loc. file ID #10187968.
Los Angeles County Acton District Acton ⓘ Acton Clay project	USGS MRDS database (2005). California Division of Mines and Geology Active Mines Database (1991)
ⓘ AP group and APB group	USGS MRDS database (2005). U.S. Forest Service (1976), File #1-82, San Francisco, CA
Commerce ⓘ Simons Brick Company Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Del Aire ⓘ Material yard	USGS MRDS database, Reston, VA (2005).
Gardena ⓘ Higgins Brick & Tile Company - Gardena Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 115, p. 654
Humphreys ⓘ Paradise deposit	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 677.
Inglewood ⓘ Independent Brick Company pit and plant	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 655.
Kagel Canyon ⓘ Unnamed Clay deposit (1)	USGS MRDS database (2005), loc. file ID #10187823.
Lakewood ⓘ Torrance Brick Company - Torr Plant No. 1 Mine	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4) USGS MRDS Database
Lomita ⓘ Linderman and Decker Company Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 656
Long Beach ⓘ R. Loynes Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 657
Los Angeles Downtown area ⓘ Simmons Brick Company-Boyle pit/plant	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 132, p. 660. Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 119
Echo Park District Angelino Heights ⓘ K & K Mine	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 118, p. 655.
ⓘ Los Angeles Brick Company pit (Chevez Canyon yard)	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 119, p. 656
Mission Junction neighborhood ⓘ Davidson Brick Company	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 512-513.
San Fernando Valley North Hills ⓘ San Fernando Valley Tile Kilns Mine	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 516, 517.
Van Nuys ⓘ Mission Brick Company pit	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 125, p. 658
Windsor Square ⓘ J. Jensen deposit	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 655.
Monte Nido Kellers Shelter ⓘ Malibu Potteries Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 124, p. 658
Monterey Park ⓘ Higgins Brick and Tile Company prospect	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 514-515
Pico Rivera ⓘ Gladding McBean-Pico pit	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 113, p. 654
Pomona ⓘ Pomona Brick Company prospect	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 516-517, 659
Santa Fe Springs ⓘ Atlas Sewer Pipe Company prospect	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 512-513, 651.
ⓘ Pacific Clay Products Company Mine (East pit; Plant No. 6)	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 514-515, 658
Santa Monica ⓘ Acme Brick Company pit	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 651.
ⓘ Gladding-McBean-Santa Monica pit	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 114, p. 654
ⓘ Santa Monica Brick Company Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 131, p. 660
ⓘ Simons Brick Company-Santa Monica pit (Santa Monica plant)	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 134, p. 661
Sierra Pelona Mts (Sierra Pelona Range) Castaic ⓘ Castaic Quarry (Southern California Brick Company; Castaic Brick Company)	California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103. Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 110, p. 652
Torrance ⓘ Builders Brick Company Mine	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 109, p. 652.
ⓘ Coast Brick Company Mine	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 111, p. 653
ⓘ Western Avenue Brick Company pit	Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): No. 140, p. 663.
Westmont ⓘ City Brick Company pit	USGS MRDS database (2005). Gay, T.E. and Hoffman, S.R. (1954) Mines and mineral deposits of Los Angeles County, California. California Journal of Mines and Geology, California Division of Mines (Report 50): 50(3&4): 652
Whittier Arroyo Pescadero Park ⓘ W. H. Russell property	USGS MRDS database (2005). California Journal of Mines and Geology (1937), map of mines and oil fields of Los Angeles County (Report 33): 33: Map No. 52
Madera County Trigo ⓘ Trigo pit [1] (Hans Sumpf pit and mill)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Trigo pit [2]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Marin County Greenbrae ⓘ Remillard Brick Company Mine	USGS MRDS database (2005). Ver Planck, Wm. E., Jr. (1955), Mines, mineral resources and mineral industries of Marin County, California: California Journal of Mines and Geology, California Division of Mines (Report 51): 51(3): 252, 278, Pl. 4
Santa Venetia ⓘ Patent Brick Company Mine	USGS MRDS database (2005). Ver Planck, Wm. E., Jr. (1955), Mines, mineral resources and mineral industries of Marin County, California: California Journal of Mines and Geology, California Division of Mines (Report 51): 51(3): 252, 278, Pl. 4
Mariposa County Bagby-Mariposa-Mount Bullion-Whitlock Mining District Whitlock Mining District Colorado area ⓘ Mockingbird Mine (Talc & Lacy claim)	Rocks & Minerals 83:5 pp 392-401
West Belt Webb Station ⓘ Unnamed Clay deposit [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mendocino County Coastal Range Bowman Place ⓘ Mendocino property	USGS MRDS database (2005). PSFC Natural Resources of NW California Geol. Mines Resources (1955): figure 5
Hopland ⓘ Unnamed Clay occurrence [3]	USGS MRDS database (2005), loc. file ID #10163391.
Leggett ⓘ Guthrie group (Marie; Last Chance; Big Red Mountain; Surprise)	O’Brien, J.C. (1953), Mines and mineral resources of Mendocino County, California: California Journal of Mines and Geology (Report 49): 49(4): 357, 377.
McClure Place Thatcher Ridge Wilderness Study Area ⓘ Unnamed Clay occurrence [2]	USGS MRDS database (2005), loc. file ID #10163367.
Twin Rocks ⓘ Unnamed Clay occurrence [1]	USGS MRDS database (2005), loc. file ID #10163362. PSFC Natural Resources of NW California Geol. Mines Resources (1955): figure 5
Mono County Benton Range Chidago Mining District Banner Ridge ⓘ Banner Mine (Dog Mine; Wild Bill group; Old Glory Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Bodie Hills Masonic Mining District Masonic ⓘ Rough and Ready Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Monterey County Castroville ⓘ Arca Roofing Tile Plant Mine	USGS MRDS database (2005). Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: No. 14, p. 121
Del Monte Forest ⓘ Sawmill Gulch Mine	USGS MRDS database (2005). Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: No. 18, p. 121
Salinas ⓘ Heins Lake deposit (Geine)	USGS MRDS database (2005). Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: No. 15, p. 121
ⓘ Salinas Brickyard Mine	USGS MRDS database (2005). Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: No. 17, P. 121
Santa Lucia Mts (Santa Lucia Range) Carmel-by-the-Sea Carmel Valley Carmel Valley Village ⓘ Rancho Del Monte Mine	USGS MRDS database (2005). Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: No. 16, p. 121
Los Burros Mining District Burro Mountain ⓘ Old Murry Mine (Murray Mine; Old Murray No. 1 Mine; Dutro Mine; Dutra Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Fort Hunter-Liggett Military Reservation ⓘ Echstine occurrence	Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: 121.
Seaside ⓘ Monterey Mission Tile Mine	USGS MRDS database (2005). Hart, E.W. (1966) Mines and mineral resources of Monterey County, California. California Division Mines and Geology County Report 5, 142 pp.: 121.
Napa County American Canyon (Napa Junction) ⓘ Unnamed Limestone-Clay occurrence [1]	USGS MRDS database (2005), loc. file ID #10189017. Weaver, C.E. (1949): Geology and Mineral Deposits of an Area North of San Francisco Bay, California: California Division of Mines Bulletin 149: 98-104.
Calistoga ⓘ Clark and March Kaolin Mine	Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 133-135.
Nevada County Nevada City Mining District Nevada City ⓘ Red Hill Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Orange County Beeks Place ⓘ Sierra Mine (Gladding-McBean Mine)	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 45
ⓘ Unnamed Clay prospect (3)	USGS MRDS database (2005), loc. file ID #10236735. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 46
Coto de Caza ⓘ Crow Canyon pit	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 61
Fountain Valley ⓘ Los Angeles Pressed Brick Company Mine	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 66
Gypsum Canyon ⓘ Gypsum Canyon pit	USGS MRDS database (2005). California Division of Mines and Geology Active Mines Database (1991)
ⓘ Irvine Shale Mine	USGS MRDS database (2005).
ⓘ Marine Mine (Gladding-McBean Mine)	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 44.
Huntington Beach ⓘ La Bolsa Tile Company Mine	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 65-66
Olive ⓘ Garber Brick & Tile Company Mine	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 65
Portola Hills ⓘ Serrano Mine	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 54
ⓘ Unnamed Sand & Clay Mine (2)	USGS MRDS database (2005), loc. file ID #10116170. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197 Map No. 56
Rancho Santa Margarita ⓘ Bell Canyon prospect	Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 64
ⓘ Cal China pit	California Division of Mines and Geology Basin Planning area 9 (1972).
ⓘ California Nonmetalics	USGS MRDS database (2005).
ⓘ Liston Clay pit	USGS MRDS database (2005). California Division of Mines and Geology Basin Planning area 9 (1972).
ⓘ W. A. Schoeppe Clay Company	USGS MRDS database (2005). California Division of Mines and Geology Basin Planning area 9 (1972).
San Clemente ⓘ Old North Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: map No. 69.
ⓘ Rancho Mission Viejo Quarry	USGS MRDS database (2005).
ⓘ Unnamed Clay prospect (4)	USGS MRDS database (2005), loc. file ID #10237458.
ⓘ Vitrefax Company Middle Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: No. 70.
ⓘ Vitrefrax Company Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map. No. 68.
ⓘ Vitrefrax Company South Mine	Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 71.
San Juan Capistrano ⓘ Gladdin-McBean Company North Mine	USGS MRDS database (2005). Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 67
ⓘ Mission Viejo Sand plant (Mission Viejo Clay pit)	USGS MRDS database (2005). California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103.
ⓘ Unnamed clay pit	USGS MRDS database (2005), loc. file ID #10135007.
Silverado ⓘ Unnamed Clay prospect (2)	USGS MRDS database (2005), loc. file ID #10189157. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 51
Trabuco Canyon [town] ⓘ Hicks Canyon prospect (Joplin Ranch Mine)	USGS MRDS database (2005). Logan, Clarence August (1925), Sacramento field division: California Mining Bureau. (Report 21): 21: 64
ⓘ Unnamed Sand & Clay Mine (1)	USGS MRDS database (2005), loc. file ID #10115711. Stauffer, C.R. (1945), High Alumina Clays of the Santa Ana Mountain Region, California, U.S. Geological Survey Strategic Minerals Investigation Preliminary Report 3-197: Map No. 58
Yorba Linda ⓘ Claymont Mines	Cleveland, G.B. (1957), Clay: California Division Mines & Geology Bulletin 176: 138.
Placer County Dutch Flat Mining District (Towle Mining District) Casa Loma ⓘ Lincoln Clay pit and mill (Philadelphia Fluorspar deposit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lincoln Mining District Clayton ⓘ Clay Corporation of California Mine	Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 147-158 Logan, Clarence August (1927), Amador County, Placer County: California Mining Bureau. Report 23: 239-240 Van Nostrand Reinholt Press: 438.
ⓘ Gladding McBean & Company pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Roseville ⓘ American Olean Colfax Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Riverside County Cahuilla Mining District Little Cahuilla Mountain ⓘ Audrey Lynn Mine (Audrey Lynne Mine; Jumping Joe claims)	Osborn, P. 2006. Personal communication between Philip Osborn, Hemet CA. (discoverer/owner) and Scott L. Ritchie, SDMC 07/25.
ⓘ Sly Rick prospect (Green Centipede claim)	San Diego Mining Company (1998), Sly Rick lode field analysis and valuable mineral discovery, Jan.
Red Mountain ⓘ Anita Mine (Magee Mine; Magee & Dougherty Mine; Sage Mine)	San Diego Mining Company (1998), Anita mine field analysis, Jan.
Tripp Flats ⓘ Petra Mine	Rynerson, F. J. 1967. Exploring and Mining Gems & Gold in the West Ch. 17, p. 118-120: Naturegraph Publishers, Inc., Happy Camp, California.
San Jacinto Mountains Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring) ⓘ Unnamed Corundum occurrences [2]	Gochenour, K. L. 2000. The Rediscovery of Corundum Crystals from the San Jacinto Mountains, Riverside County, California Lithosphere bulletin, May/June. Fallbrook Gem and Mineral Society, Inc., Fallbrook, California.
Temescal Valley Alberhill ⓘ Alberhill Clay pits (Alberhill Coal & Clay Company deposit)	Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Engel, R., T.E. Gay, and B.L. Rogers (1959) Mineral deposits of Lake Elsinore quadrangle, California California Division Mines and Geology Bulletin 146: 77-95 Van Nostrand Reinholt Press: 438.
Whitewater (White Water) ⓘ Desert Gold claims	Alfredo Petrov, field observations, 14-06-2009.
Sacramento County Arcade ⓘ Harrison Fait Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Folsom Mining District Alder Creek ⓘ Mississippi Bar pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Live Oak ⓘ Lower Bradford pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey. California Division of Mines and Geology (1990), Mines and mineral producers active in California (1988-89), California Department of Conservation, Division of Mines and Geology, Special Publication 103.
ⓘ McDonnell pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Van Vleck pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Van Vleck Ranch pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Sacramento ⓘ Sacramento Brick Company Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Valley Brick Company Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
San Benito County Gabilan Range ⓘ Dr. J. M. O'Donnell deposit	USGS MRDS database (2005). Logan, Clarence August (1947), Limestone in California: California Division Mines Report 43: 228-229
San Bernardino County Argus Range (Argus Mountains; Darwin Range; Tortoise Mountains) Argus District Argus ⓘ Lone Wolf Complex Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Avawatz Mts (Avawatz Range) Sheep Creek Spring ⓘ Boston Valley Salt prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Bear Valley District Furnace Spring ⓘ Gold Point Mine (Golden Chariot group; Gold Button Mine; Murray; Henshaw)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Cady Mountains ⓘ Unnamed Clay prospect [3]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Castle Mountains Hart District (Castle Mountain District) Hart ⓘ White Rose Clay prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Chemehuevi Valley ⓘ Gypsum-Halite occurrence [1]	Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 267 Graeff, F.W. (1910), Nitrate deposits of southern California: Engineering & Mining Journal: 90: 173
East Kramer Mining District East Kramer Borate area (East Kramer Colemanite area) Kramer Hills [town] Kramer Hills [hills] ⓘ Kramer Hills deposit (Unnamed Magnesite deposit [2])	Wright, L.A., et al (1953), Mines and mineral resources of San Bernardino County, California: California Journal of Mines and Geology, California Division of Mines (Report 49): 49(1-2): 184. Tucker, W. Burling & Reid J. Sampson (1943a), Current notes on activities in the strategic minerals, Los Angeles field district: California Division Mines Report 39: 67
ⓘ Unnamed Clay prospect [1](MRDS - 10286782)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gravel Hills Bird Spring ⓘ Unnamed Clay prospect [10]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Harvard (Blythe) ⓘ Unnamed Clay prospect [9]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Hector	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lucerne Valley Limestone District Lucerne Valley ⓘ Kaiser Cement Lucerne Valley (Lucerne Valley Quarry and Mill)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Oro Grande Mining District Quartzite Mountain ⓘ Riverside Cement Company deposit (Oro Grande Cement plant)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Owlshead Mountains Owl Hole Springs ⓘ Owl Hole deposit (Owl Hole Gypsum prospect group; Owl Hole Spring deposit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Shadow Mts [1] Squaw Mountain ⓘ Unnamed Clay prospect [5]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Superior Valley ⓘ Superior Valley 014 meteorite	Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
San Diego County Bonsall ⓘ Schier Clay deposit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 21, p. 66.
Encinitas ⓘ Gladding McBean & Company Mine	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 11, p. 64.
Escondido ⓘ Morris Clay deposit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 17, p. 65.
Jacumba ⓘ Jumbo Clay Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
La Jolla ⓘ Sorrento Brick and Clay Products Mine	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 22, p. 66.
ⓘ Union Brick Company Mine - North pit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: 61-62.
ⓘ Mesa Grande Mining District	Merrill, F. J. H. 1914. Geology and Mineral Resources of San Diego and Imperial Counties: Gems, Lithia Minerals. California State Mining Bureau, San Francisco, Cal. California State Printing Office, December. Chapter 1, pages 61-110.
Gem Hill ⓘ Himalaya Mine	Carnahan, V. 1960. The Treasure of the Himalaya Mine. Gems & Minerals magazine, November, pages 21-25, 55-57.
Olivenhain ⓘ Robert Charles and Thomas Hewitt claims	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 20, p. 66.
Pala Mining District Pala Chief Mountain Elizabeth R. Mine (Hazel W. claim) ⓘ Oceanview Mine (Oceanview adits; new Oceanview workings)	Stephenson, J. (2007), Pala District Opens Wide: Oceanview Mine Strikes It Big. Mineral News: Pala International, Fallbrook, CA. December.
Tourmaline Queen Mountain (Pala Mtn; Queen Mtn) ⓘ Ed Fletcher Jr. Mine	Schaller, W. T. 1919. Gems & Precious Stones. Mineral Resources U.S., 1916, Part II - Nonmetals. Department of Interior, US Geological Survey, Government Printing Office, Washington p. 897.
ⓘ Gem Star Mine	Jahns, Richard Henry & Lauren A. Wright (1951), Gem and lithium bearing pegmatites of the Pala district, San Diego County, California: California Division Mines Special Report 7-A: 57-59.
ⓘ Tourmaline King Mine	San Diego Mining Company (1998)
ⓘ Tourmaline Queen Mine	San Diego Mining Company, 2000.
Ramona Mining District Ramona ⓘ Coyote diggings	San Diego Mining Company (1996), Field investigations of the Sunshine Valley area undocumented pegmatites and gemstone prospects. Ramona, San Diego County, California.
ⓘ Lookout Mine (Hercules group; Lookout prospect; Upper Hercules mine)	San Diego Mining Company, 1995-1997.
Rancho Santa Fe ⓘ Dorothy and Pearl claims (Pearl and Dorothy Ann claims; Pearl and Dorothy claims)	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 8, p. 63.
ⓘ Huchting Ranch deposit	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 12, p. 64.
Rincon Mining District Rincon Rincon Mountain ⓘ Mack Mine (John Mac mine; Mac mine; San Luis Rey claim)	Kunz, George F. (1905) Gems, Jewelers' Materials, and Ornamental Stones of California. Bulletin 37 (2nd ed.) California State Mining Bureau
San Diego Bay Ho neighborhood ⓘ Union Brick Company Mine - East pit (Union Brick and Tile Company Mine)	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: 61-62.
ⓘ Union Brick Company Mine - West pit (Hieatt Brick & Tile Co.; Rose Canyon Brick Co.; Hubbard Brick Co.; San Diego Brick & Clay Products Co.; San Diego Vitrified Brick & Clay)	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 26, p. 67.
National City ⓘ National Brick Company Mine	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: No. 18, p. 65.
Sorrento ⓘ Linda Vista Mine	Weber, F. Harold Jr. (1963) Geology and mineral resources of San Diego County, California. County Report 3. California Division of Mines and Geology California Division of Mines and Geology, County Report 3, 309 pp.: 58-59.
Warner Springs Mining District Chihuahua Valley ⓘ Carmelita Mine (Big Spring mine; Blue Gem claim; Crest Gem mine; Elinor deposit; Elinor mine; Estudillo mine; French Pete mine; MS 6130; Peter Cabat mine)	San Diego Mining Company, 1996.
San Joaquin County Stockton ⓘ San Joaquin Brick plant	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Stockton Brick & Tile Company	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
San Luis Obispo County Carrizo Plain Soda Lake ⓘ NSL1 borehole	Rodriguez, Alejandro, Guo, Junhua, O’Sullivan, Katie, Krugh, William (2024) Geochemical Record of Late Quaternary Paleodepositional Environment from Lacustrine Sediments of Soda Lake, Carrizo Plain, California. Minerals, 14 (3) doi:10.3390/min14030211
Cholame ⓘ Antelope Mud Company Mine	USGS MRDS database (2005). Minobras (1973), Southern California Industrial Minerals: 90 Franke, Herbert A. (1935a), Mines and mineral resources of San Luis Obispo County, California: California Division Mines (Report 31): 31(4): 416.
San Luis Obispo ⓘ San Luis Brick Works Inc.	USGS MRDS database (2005). Logan, Clarence August (1919), San Luis Obispo County: California Mining Bureau. Report 15: 679-680
Sierra County Pike Mining District Grizzly Gulch ⓘ Unnamed Clay prospect [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Siskiyou County Grenada ⓘ Melvin Hovey property	Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources: notes
Klamath Mountains Callahan Mining District (Scott River Mining District) Sugar Hill ⓘ Oro Grande Mining Company Mine (McKeen; Cummings; Shasta)	Taylor, R. D., Morgan, L. E., Jourdan, F., Monecke, T., Marsh, E. E., & Goldfarb, R. J. (2021). Late Jurassic-Early Cretaceous orogenic gold mineralization in the Klamath Mountains, California: Constraints from 40Ar/39Ar dating of hydrothermal muscovite. Ore Geology Reviews, 104661.
Klamath River Mining District Gottsville ⓘ Chastain & Bowen occurrence	Hamilton, Fletcher McNab (1922), eighteenth report of the State Mineralogist: California Mining Bureau. Report 18 767 pp.: 207.
Oro Fino Mining District Etna ⓘ Peter Smith Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Greenview ⓘ Fort Jones Mine [2] (T. A. Reynold Mine)	Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources: notes
ⓘ J. Walker Mine	Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources: notes
ⓘ T. Hamilton Mine	Dietrich, Waldemar Fenn (1928), The clay resources and the ceramic industry of California: California Mining Bureau. Bulletin 99: 224.
Snowdon (Snowden) ⓘ A. H. Denney occurrence	USGS MRDS database (2005). Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources: notes
Yreka ⓘ Jeff Gatewood property	Pacific Southwest Field Committee (PSFC) (1955), Natural Resources of NW California Geol. Mines Resources: notes
Sonoma County ⓘ Reltane deposit	USGS MRDS database (2005). Honke, Martin T., Jr. & Wm. E. Ver Planck, Jr. (1950), Mines and mineral resources of Sonoma County, California: California Journal of Mines and Geology: 46(1): 89
Stanislaus County Cooperstown ⓘ Cooperstown deposits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay pit (1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay pits (2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Knights Ferry ⓘ Winkler property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
La Grange ⓘ Kraftile Clay deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tehama County Red Bluff ⓘ O'Connor Brothers prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Trinity County Klamath Mountains Trinity Mountains Altoona Mining District Ramshorn Summit ⓘ Altoona Mine (Castella Corp. Mine; Rare Metals Corp. of America; Universal Silvers; Trinity claim; Blockade claim)	Pemberton, H. Earl (1983) Minerals of California. Van Nostrand Reinhold Company Inc. Van Nostrand Reinholt Press: 124.
Indian Creek Mining District Barleyfield Peak ⓘ Unnamed Clay occurrence [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tulare County Earlimart ⓘ Unnamed Clay pit [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Eclipse Hill ⓘ Sears Clay deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Exeter ⓘ S. P. Brick and Tile Company Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ivanhoe Venice Hills ⓘ Exeter pit (Exeter Brick Company)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Porterville Mine Hill ⓘ Valencia Heights occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tuolumne County Hetch Hetchy Junction ⓘ Unnamed Clay pit [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ventura County Oak View ⓘ Connett pit	Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 264
Santa Paula ⓘ Anderson & Hardison Pressed Brick Co.	USGS MRDS database (2005). Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 264
Ventura ⓘ Associated Oil Company pit	USGS MRDS database (2005). Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 263
ⓘ Peoples Lumber Company Mine	USGS MRDS database (2005). Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 264
ⓘ Rocklite Quarry	USGS MRDS database (2005). California Division of Mines and Geology (1981), Special Publication 58: 57.
ⓘ Shell Oil Company Mine	USGS MRDS database (2005). Tucker, W. Burling & Reid J. Sampson (1932), Ventura County: California Journal of Mines and Geology, California Mining Bureau. (Report 28): 28: 264
Yuba County Beale Air Force Base ⓘ Durst Ranch	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Forbestown Mining District Woodleaf ⓘ The Sharrer property (Sharrer prospects)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Wheatland ⓘ Wheatland pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Colorado Boulder County ⓘ Boulder Brick & Tile Company	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Clyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star)	Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
ⓘ Longmont Brick & Tile Company	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Chaffee County Chalk Creek District ⓘ Chalk Cliffs	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Clear Creek County Geneva District ⓘ Geneva Creek	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Upper Union Mining District (Empire Mining District) ⓘ Golden Chariot Mine	Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
ⓘ Harrison Mine	Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
ⓘ Oro Cash Mine (Oro Cash Tunnel)	Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
Custer County ⓘ Franklin Mine (Frankland Mine; Francklyn Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rosita Mining District ⓘ East Leviathan Mine (Mayde Shaft)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Humboldt Mine (West Virginia Claim; South Humboldt Claim; Globe Shaft)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Invincible Shaft Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Leavenworth Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Maverick Mine (Tennessee; Senator)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Peerless Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Pioneer Mine (Big Bonnie; Claims: Rocky Point; Delta Fox; Sunset)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Pocahontas Mine (2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ South Leviathan Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Victoria Tunnel	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ West Leviathan Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Silver Cliff Mining District ⓘ King of the Valley Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016578)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Douglas County Castle Rock Area ⓘ Unknown Clay Occurrence (MRDS - 10017229)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
El Paso County Calhan ⓘ Paint Mines	Pearl, 1958. Colorado Gem Trails & Mineral Guide
ⓘ Unknown Clay (MRDS - 10017549)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay (MRDS - 10017697)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay (MRDS - 10108254)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Colorado Springs Area ⓘ Popes Bluff	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Unknown Clay Occurrence (MRDS - 10017845)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Crystal Park ⓘ Hunter's Run	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
El Paso Mining District ⓘ Nixon Brothers	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Hecla - Barber	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Husted	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Manitou Mining District ⓘ Unknown Clay (MRDS - 10108310)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay (MRDS - 10017854)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10017791)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10017852)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10017853)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10017941)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Fremont County Grape Creek Mining District (Greenhorn Mining District) ⓘ Unknown Clay Occurrence (MRDS - 10018626)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ McIntyre Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ River Clay	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Sixmile Creek Area ⓘ Swastika	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay (MRDS - 10017754)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay (MRDS - 10108447)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10017763)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10018400)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Garfield County ⓘ Unknown Clay Occurrence (MRDS - 10017797)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10017953)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10091369)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10091370)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Grand County Beaver Creek ⓘ Unknown Clay Occurrence (MRDS - 10018235)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gunnison County Spring Creek (Spring Gulch) ⓘ Doctor Mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Unknown Clay Occurrence (MRDS - 10016442)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Huerfano County Capers ⓘ Shamblin	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016545)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jefferson County ⓘ C. P. Hoyts Pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Chieftan Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Foothill Mining District ⓘ Unknown Clay Occurrence (MRDS - 10016659)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Front Range ⓘ Unknown Clay Occurrence (MRDS - 10091191)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lower Clear Creek Area ⓘ Coon Gulch Clay Pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Parfet Clay Pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016136)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016694)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016980)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016923)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016925)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10016943)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Clay Occurrence (MRDS - 10091166)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Larimer County ⓘ Fort Collins area	Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.
Moffat County Maybell Mining District Maybell Mines ⓘ Trace Elements Pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Park County Blue Mountain Campground Area ⓘ Unnamed Pegmatites	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Routt County ⓘ Twentymile Park Mining District	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Yarmany ⓘ Unnamed Clay occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Saguache County Bonanza Mining District (Kerber Creek Mining District; Blake Mining District) ⓘ Villa Grove Turquoise Mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Florida Escambia County ⓘ Gulf Coast Grading and Paving - Dean	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Gulf Coast Grading and Paving - Milford	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Panhandle Paving and Grading - Eight Mile	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gadsden County ⓘ Milwhite; Inc. - Gadsden County/US27	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Oil-Dri - Fletcher-McGinnis Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jackson County ⓘ Jackson Board of County Commissioners - State Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Panhandle Paving and Grading - Spring Cem. Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Polk County ⓘ Ged Mining - Tice Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Macasphalt - Auburndale	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Owl's Nest - Woodley Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Georgia Bartow County Cartersville Mining District ⓘ Nulsen mine	Hull, J. P. D. (1920) Report on the Barytes Deposits of Georgia. Bulletin 36. Geological Survey of Georgia
PAGA Mine ⓘ Paga No. 3 Mine	Hull, J. P. D. (1920) Report on the Barytes Deposits of Georgia. Bulletin 36. Geological Survey of Georgia
Hall County Gainesville ⓘ Unnamed prospect (1)	Van Gosen, Bradley S. (2005) Reported historic asbestos mines, historic asbestos prospects, and natural asbestos occurrences in the eastern United States. USGS Open-File Report 2005-1189.
Polk County Etna Station ⓘ Etna Furnace Mine	McCallie, S. W. (1900) A Preliminary Report on a Part of the Iron Ores of Georgia - Polk, Bartow and Floyd Counties. Bulletin 10-A. Geological Survey of Georgia
Upson County ⓘ Goat Rock fault	Cook, Robert B. (1978) Minerals of Georgia: Their Properties and Occurrences. Bulletin 92. State of Georgia Department of Natural Resources
Washington County Sandersville ⓘ Sara Dukes Mine	Kariminia, S. M., Pickering, S. M., Kogel, J. E., Elliott, W. C., Simmons, R., & Ghazi, A. M. (2001). Preliminary Facies Analysis of the Twiggs Clay Formation at the Sara Dukes Mine, Sandersville, Georgia. GSA Southeastern Section - 50th Annual Meeting (April 5-6, 2001)
Idaho Adams County Seven Devils Mining District ⓘ Antz Creek Prospect (Ants Creek; Canyon View Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Cuprum ⓘ Red Ledge Mine (Red Lodge; Red Eagle)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Benewah County St. Maries Area ⓘ Benewah Lake Clay Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Chatcolet Lake Clay Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ St. Maries Clay Occurrence (St. Maries Peak)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Bonneville County Mount Pisgah Mining District ⓘ Caribou Mountain prospect	Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
Cassia County Declo Area ⓘ Clay Deposit (MRDS - 10070316)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Clearwater County Ruby Creek Mining District ⓘ Elk River Clay Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Custer County Bay Horse Mining District Challis ⓘ Thompson Creek Mine (Tungsten Jim Mine; Salmon River Scheelite Mine)	USGS OFR 2000 - OF-00-239
Elmore County Black Warrior Mining District ⓘ Upper Grouse Creek Property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Glenns Ferry Area ⓘ Diatomite Deposit (MRDS - 10070133)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Idaho County Cottonwood Area ⓘ Cottonwood Clay Occurrence No. 25 Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Stites Clay Occurrence No. 23	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Florence Mining District (French Creek Mining District) ⓘ Blossom Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Little Cow Creek Placer Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Grangeville Area ⓘ Grangeville Clay Occurrence No. 20 Prospect (Camas Prairie Clay Deposit CP - 3)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Grangeville Clay Occurrence No. 22 (Camas Prairie Clay Deposit CP - 2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Grangeville Clay Occurrence No. 26	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Unorganized District ⓘ Grangeville Clay Occurrence No. 24	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jefferson County Roberts Area ⓘ Roberts Clay Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Kootenai County Coeur d'Alene ⓘ Stanley Hill Clay Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lake Front Mining District ⓘ Benewah Clay Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Latah County Deary Area ⓘ Deary Clay Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Deary Clay Prospect East	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ High Iron Olson Clay Deposit (Dry Ridge)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Joel Area ⓘ Joel Clay Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Moscow Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Moscow Area ⓘ Ayer Deposit No. 1 (Ayor Prospect)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Park Area ⓘ Park Clay Occurrence No. 1 (Boulder Creek)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Park Clay Occurrence No. 2	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Pine Grove School Clay Deposits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Potlatch Area ⓘ Potlatch Clay Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Potlatch South Clay Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Troy Mining District Troy ⓘ Carlson Clay prospect (Flynn; Watertrough)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Little Bear Creek Clay prospect (Bear Creek)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Yale - Stanford Area ⓘ Yale Clay Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lemhi County ⓘ Gilmore Mining District (Texas Mining District)	Umpleby, Joseph Bertram (1913), Geology and ore deposits of Lemhi County, Idaho, USGS Bulletin 528: 89-108.
Junction Mining District (Little Eightmile Mining District) ⓘ Sunset Mine (Leadville Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lewis County Nez Perce ⓘ Nez Perce Clay prospect (Booth pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Nez Perce County Cave Gulch Mining District ⓘ Mason Dixon Mine (Sun Beam White Sand Company)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lewiston Area ⓘ Tammany Creek Clay Occurrence No. 28	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Owyhee County French Mining District ⓘ Diatomite Mine (Bates Creek)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Pumicite Deposit (MRDS - 10089547)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Reynolds Area ⓘ Diatomite Occurrence (MRDS - 10106007)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Riddle Area ⓘ Diatomite Occurrence (MRDS - 10078458)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Power County American Falls Area ⓘ Clay Deposit (MRDS - 10070317)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Clay Deposit (MRDS - 10093473)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Twin Falls County Buhl Area ⓘ Ray Banbury Diatomite Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Valley County Thunder Mountain Mining District ⓘ Sunnyside Mine	Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing, Coeur d'Alene, ID.
Washington County Monroe Mining District ⓘ Diatomite Occurrence (MRDS - 10078450)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Weiser Mining District Weiser ⓘ Diatomite Mine (MRDS - 10070229)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Diatomite Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Illinois Alexander County ⓘ Fayville	Illinois Geological Survey Circular 516
Cook County Chicago ⓘ Calumet Lake	Roadcap, G. S., Kelly, W. R., & Bethke, C. M. (2005). Geochemistry of extremely alkaline (pH> 12) ground water in slag‐fill aquifers. Groundwater, 43(6), 806-816.
Jo Daviess County Galena Mining District Galena ⓘ Black Jack Mine (Marsden lode; Marsden's diggings; Peru Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
LaSalle County ⓘ Illinois Cement Company Quarry	Illinois State Geological Survey
ⓘ Starved Rock Clay Products Clay Pit	Illinois State Geological Survey
ⓘ Vermilion Quarry	Illinois State Geological Survey
Pulaski County ⓘ Olmsted	Thomas, Andrew R. and Murray, Haydn H. (1989), Clay Mineral Segregation by Flocculation in the Porters Creek Formation: Clay and Clay Minerals: 37(2): 179-184.
ⓘ Golden Cat Corporation mine	USGS
Indiana Dearborn County ⓘ Lawrenceburg
Dubois County ⓘ Schiller farm	Erd, Richard C., Greenberg, Seymour S. (1960) Minerals of Indiana. Bulletin 18. Indiana Geological Survey
Tippecanoe County Lafayette ⓘ Lafayette (stone) Martian meteorite	J.C. Bridges, M.M. Grady (2000) Evaporite mineral assemblages in the nakhlite (martian) meteorites. Earth and Planetary Science Letters 176:267-279
Iowa Allamakee County ⓘ Unnamed Fe occurrence [1]	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pocahontas County ⓘ Manson impact structure	Kring, D. A. (2000) Impact-Induced Hydrothermal Activity and Potential Habitats for Thermo- Philic and Hyperthermophilic Life. Catastrophic Events Conference.
Kentucky Graves County Hickory ⓘ Old Hickory Mine
Maine Aroostook County Pennington Mountain ⓘ REE-Nb-Zr occurrence	Chunzeng Wang, John F. Slack, Anjana K. Shah, Martin G. Yates, David R. Lentz, Amber T.H. Whittaker, Robert G. Marvinney A RECENTLY DISCOVERED TRACHYTE-HOSTED RARE EARTH ELEMENT-NIOBIUM-ZIRCONIUM OCCURRENCE IN NORTHERN MAINE, USA. Economic Geology 2022 doi: https://doi.org/10.5382/econgeo.4993
Maryland Anne Arundel County ⓘ Unnamed Clay Pit (MRDS - 10067888)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Baltimore County ⓘ Nine Number 62	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Rossville Pit (Baltimore Brick Company; Rosedale Pit)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Calvert County ⓘ Old Clay Deposit N. of Solomons Island	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Carroll County ⓘ Lehigh Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Garrett County ⓘ New Savage Clay Works Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Kent County ⓘ Chestertown Pit (Chestertown Brick Company Inc.)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Prince Georges County ⓘ Bowie Operating Corporation Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Capitol Clay Products Company (West Brothers Brick Company)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Muirkirk Pit (Maryland Clay Products)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Prince Georges Mall
Talbot County ⓘ Easton Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Washington County ⓘ Victor Cushwa and Sons Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Massachusetts ⓘ Barnstable County	Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
Bristol County Taunton ⓘ Aggregate Industries Quarry	Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
Dukes County Gosnold (Elizabeth Islands) ⓘ Nonamesset Island	Weed, E.G. A. (1988): Mesozoic and Tertiary Stratigraphy of Cape Cod and Nearby Islands, in Hatch, N.L., Jr., editor, 1988, The bedrock geology of Massachusetts: U.S. Geological Survey, Professional Paper 1366-A-D.
Martha's Vineyard Aquinnah ⓘ Gay Head Cliffs	Robinson, Samuel (1825): A Catalogue of American Minerals, with Their Localities, p.49.
Nantucket County ⓘ Nantucket	Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
ⓘ USGS borehole 6001	Weed, E.G. A. (1988): Mesozoic and Tertiary Stratigraphy of Cape Cod and Nearby Islands, in Hatch, N.L., Jr., editor, 1988, The bedrock geology of Massachusetts: U.S. Geological Survey, Professional Paper 1366-A-D.
Plymouth County ⓘ Scituate	Gleba, Peter P. (2008) Massachusetts Mineral and Fossil Localities. Kreueger Enterprises, Inc.
Minnesota Goodhue County ⓘ Thomforde Pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mississippi ⓘ Calhoun County	Parks, 1961. Calhoun County Geology and Ground-Water Resources
ⓘ Madison County	Priddy, 1960. Madison County Geology
Panola County Crenshaw ⓘ Kentucky-Tennessee Company clay mine	geology.deq.ms.gov (n.d.) http://geology.deq.ms.gov/mining/docs/GeologyOFR065-Operator.pdf
Missouri Crawford County Steelville ⓘ Cherry Valley Mines (Cherry Valley No.1 and 2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Dent County ⓘ Hawkins Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Newton County Stark City ⓘ Shinn Mine	Keller, W.D. (1940) Aurichalcite in Missouri. American Mineralogist, 25, 375-376.
Phelps County ⓘ Buckland mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Stimson mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Montana Beaverhead County Tendoy Range Mining District ⓘ Sheep Creek Deposit (Peterson Gypsum)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Deer Lodge County Anaconda ⓘ Places Fire Clay Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Flathead County Hog Heaven Mining District (Flathead Mining District) ⓘ Birdseye Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Kofford Ridge ⓘ Flathead Mine (Hog Heaven Project)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Mary Ann Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lewis and Clark County Seven-Up Pete Mining District ⓘ Heddleston (Anaconda Mine - 0300490146; Mike Horse Mine - 0300490362; Carbonate Mine - 0300490040; Heddleston Deposit; Paymaster Mine - 0300490242; Midnight Mine - 0300490284; Heddleston Group)	Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
Lincoln County Libby Mining District (Snowshoe Mining District) ⓘ Snowshoe Mine (Howard)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Nebraska Nemaha County ⓘ Auburn	DSW collection
Nevada Esmeralda County Fish Lake Valley Mining District ⓘ Red Rock mine	NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
Gilbert Mining District ⓘ Castle Rock mine	NBMG Bull 78 Geology and Mineral Deposits of Esmeralda County, Nevada
Humboldt County Golconda Mining District ⓘ Kramer Hill Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Montana Mountains Disaster Mining District ⓘ Granite Point Mine (Granite Point claims; Chevron claims)	NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada
Opalite Mining District ⓘ McDermitt Mine	NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada
Poverty Peak Mining District ⓘ Hapgood mine (Grayson group)	NBMG Bull 59 Geology and Mineral Resources of Humboldt County, Nevada
Sulphur Mining District Sulphur ⓘ Devils Corral Mine (East China pit; Devil's Corral pit; Nevada Bureau of Mines and Geology sample sites 2704; 2705; 2706)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lander County Battle Mountain Mining District ⓘ Copper Basin	Moore-Roth, M. N. (2012). Supergene enrichment profile at copper basin Battle Mountain, Nevada (Doctoral dissertation, New Mexico Institute of Mining and Technology).
ⓘ Copper Canyon mine	Singer, Donald A., Berger, Vladimir Iosifovich, Moring, Barry C. (2005) Porphyry copper deposits of the world: database, map, and grade and tonnage models. Open-File Report 2005-1060. US Geological Survey doi:10.3133/ofr20051060
Lincoln County ⓘ Boyd Mining District	NBMG Bull 73 Geology and Mineral Resources of Lincoln County, Nevada
Bristol and Jackrabbit Mining Districts ⓘ Bristol Silver Mines Inc.	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Pershing County Antelope Springs Mining District Relief Canyon ⓘ Relief Canyon Mine	USBM IC 9035
New Hampshire Carroll County Albany ⓘ Government pit	Rocks & Min. 80:243
Ossipee Gilman Notch ⓘ Surprise Pocket	Rocks & Minerals 86:168-173.
Cheshire County Westmoreland ⓘ Stoddard Mine	P Cristofono collection
Grafton County Lebanon ⓘ Barrows–Densmore Clay Pit
New Jersey Middlesex County New Brunswick ⓘ Burnt Woods	Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1) New York Mineralogical Club
ⓘ Sayreville	Speiser, Robert (1978), A Quest for New Jersey Minerals: 16.
Somerset County Hillsborough Township ⓘ 3M Quarry (Gibraltar Rock of Belle Mead)	Laney and Husch (1998)
New Mexico Grant County Telegraph Mining District Wild Horse Mesa ⓘ Clover Leaf Prospect (Blackmar Prospect; Blackmoor)	McLemore, Virginia T. (2005) Mineral resources of the Wild Horse Mesa area, northeastern Burro Mountains, Grant County, New Mexico. Open-file Report 486. New Mexico Bureau of Geology & Mineral Resources doi:10.58799/OFR-486
ⓘ Rambling Ruby	McLemore, Virginia T. (2005) Mineral resources of the Wild Horse Mesa area, northeastern Burro Mountains, Grant County, New Mexico. Open-file Report 486. New Mexico Bureau of Geology & Mineral Resources doi:10.58799/OFR-486
Lincoln County Capitan Mountains Capitan Mining District ⓘ Barlejon No. 2 prospect	NMBMMR OFR 183
Nogal Mining District ⓘ Water Dog No. 1 mine (Mudpuppy Prospect)	Fulp and Woodward (1991)
Luna County ⓘ Carrizalillo Mining District	NMBGMR Open-file Report OF-459
ⓘ Florida Mountains Mining District	NMBGMR Open-file Report OF-459
ⓘ Old Hadley Mining District	NMBGMR Open-file Report OF-459
Santa Fe County New Placers District ⓘ San Pedro Mine	Atkinson, W.W., Jr. and Marsh, Sherman P. (2012) The San Pedro mine - a record of the history, geology, and mineral collection. New Mexico Mineral Symposium Socorro, NM November 10-11, 2012 Abstracts pp. 22-23.
Sierra County Derry District ⓘ Red Hills	Jerry Cone Collection
North Carolina Alexander County ⓘ Stony Point	Kunz, G.F. (1907) History of the Gems found in North Carolina: Beryl Gems and Spodumene (Hiddenite). North Carolina Geological and Economic Survey, Bulletin No. 12. Chapter 6, pages 37-48.
Buncombe County ⓘ Moland-Drysdale Brick Corporation Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Henderson County ⓘ Unnamed Clay Pit (MRDS - 10026296)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jackson County ⓘ Coxe Cove Deposit	U.S Bureau of Mines/Spatial Data from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
Moore County ⓘ Hancock Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
North Dakota Cavalier County Walhalla ⓘ Pembina River valley	www.dmr.nd.gov (n.d.) https://www.dmr.nd.gov/ndfossil/education/trunks/Trunk%20030609.html
Morton County ⓘ Hebron Brick Co. mines	Geology of Morton County, North Dakota. Bulletin (North Dakota Geological Survey) , 72
Northern Mariana Islands Saipan ⓘ Achugau	U.S. Geological Survey Professional Paper 280
Oregon Benton County Wren ⓘ South Quarry	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Crook County Bear Creek Mining District ⓘ Pinkey Occurrence (Ideal; New Deal)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Howard Mining District (Ochoco Mining District; Bolivar Mining District) ⓘ Amity Mine (International Mercury; Homestake Mercury; Johnson Creek; New Amity; Paulsen and Saylor)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Kidnap Spring ⓘ Allison Occurrence (Carnagey; Viles)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Maury Mountains Maury Mountain Mining District ⓘ Maury Mountains Mine (Eickemeyer)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Grant County Kimberley ⓘ Big Bend	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
ⓘ Monument	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Harney County Pueblo Mining District (Denio Mining District) ⓘ Alexander	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Jack Pot Claims	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Steen Mountain (Stephanson and Bradley)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Woodson Long Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hood River County ⓘ Shellrock Mtn	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Jackson County Applegate Mining District ⓘ Jeedness and Rhodes Mine (Jeldness and Rhodes Prospect; Redwing Cinnabar)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Red Feather Mine (Jeldness; Ruby Mines)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Ashland Mining District ⓘ Barron Mine (Alton)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Foots Creek Mining District ⓘ Harth and Ryan Mine (Lillie Group)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gold Hill Mining District ⓘ Gold Ray Granite (Gold Ray Brick)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Whitney Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jacksonville Mining District ⓘ Yellow King Mine (Medford Mining & Milling Company)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Meadows Mining District ⓘ Cinnabar Mountain (C-M Company; Webb-Tainor; Lucky Strike; Pacific Syndicate)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Jefferson County Horse Heaven Mining District ⓘ Horse Creek prospects	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Red Jacket Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Josephine County Rogue River Mining District ⓘ Ramsey Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Waldo Mining District ⓘ Ramsey Mine (1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lake County ⓘ Adel	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
ⓘ Madera	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lane County Bohemia Mining District (Champion Mining District) ⓘ North Fairview Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Western Vein (Part of The Cripple Creek Group)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Springfield ⓘ New Springfield Butte Quarry	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Linn County Quartzville Mining District ⓘ Whale Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Marion County Santiam Mining District (Elkhorn Mining District) Shiny Rock Mining Company ⓘ Ruth (Amalgamated; Lewis & Clark)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Union County Medical Springs Mining District ⓘ Twin Baby (Vindicator Gold Mines)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Yamhill County Gopher Valley ⓘ Gopher Valley Quarry	Micro Probe (1997) Volume VIII Number 6 pp 4-7
Pennsylvania Lawrence County Enon Valley ⓘ Clark Mine
Lehigh County Ironton ⓘ Balliot mine
Philadelphia County Philadelphia ⓘ Schuylkill River at Penrose Ferry Bridge	Ex. Philadelphia Academy of Sciences collection no. 4865
South Carolina Aiken County ⓘ Horse Creek (Hollow Creek)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Beaufort County ⓘ Hilton Head Island	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Berkeley County ⓘ Consolidated Enterprises Clay Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ St. Stephens Brick Company Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Cherokee County ⓘ Red Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay Pit Fl - 072	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay Pits Fl - 066	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Clay Pits Fl - 073	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Chester County ⓘ Unidentified Clay Mine (MRDS - 10080458)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lancaster County ⓘ Yoder No. 1 (Yoder No. 2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Marlboro County ⓘ Unnamed Clay Pit (MRDS - 10106319)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Orangeburg County ⓘ Jamison Clay Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Saluda County ⓘ Abney Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
York County ⓘ John Barnette Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
South Dakota Harding County South Cave Hills ⓘ Buffalo Quad	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lawrence County Rochford Mining District ⓘ Melcert Bog Iron Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Texas ⓘ Bandera County	Dumble, E. T. (1888) First Report of progress. Geological Survey of Texas p66 Dimble, 1888
Smith County Troup ⓘ Relience Clay pit	Creekmur, Charles, The Troup, Texas, Clay Pits.
ⓘ Uravan Mineral Belt	Barton, I., Barton, M. D., & Thorson, J. (2018) Characteristics of Cu and UV Deposits in the Paradox Basin (Colorado Plateau) and Associated Alteration. Guidebook series, 59.
Utah Box Elder County ⓘ Black Warrior	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Brigham City ⓘ Bakers Spur	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Curlew Valley ⓘ Wildcat Hills East Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ East Hogup Ridge Gypsite Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Governors Loop	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Grouse Creek Mts (Grouse Creek Range) Rosebud Mining District ⓘ Emigrant Pass Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Red Clay Pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ South Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Head of Regulator Canyon	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hogup Mountains ⓘ Peplin Flats Diatomite Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Terrace Mountain 1 NW Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Lemay Terrace Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Lower North Side Patterson Pass	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Matlin Mountains ⓘ Matlin Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Runswick Wash Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Newfoundland Mountains Newfoundland Mining District ⓘ Terrace Mountain 3 NE Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Newfoundland/Stone House Area ⓘ Stone House Mines (Mill Mine; Straight)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Nowhere Knoll Gypsite Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ NW Newfoundland Gypsite Dunes Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Plymouth ⓘ Clarkston occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rozel Point ⓘ Rozel Flat Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tecoma Hill ⓘ Tecoma Hill North Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Terrace Mountain 1 SW Gypsite Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Walker Tunnel	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
West Hills ⓘ Limekiln Knoll Gravel Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ West Newfoundland Gypsite Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Willard Mining District ⓘ Silver Eagle Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Yost Mining District ⓘ Charleston Creek Mines	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Emery County San Rafael Swell Mining District Little Erma Mine ⓘ Little Erma No. 2 Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Garfield County Circle Cliffs Mining District ⓘ Blue Bird (MAS 4 1023)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
East Henry Mountains Mining District Cottonwood Wash-Trachyte Subdistrict ⓘ Minnie Pearl Nos. 1 - 2 claims (John Hill)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Kaiparowits Mining District ⓘ Main Canyon Road Clay Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Spry Mining District ⓘ Spry Clay Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Veater Mercury Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Iron County Antelope Range Antelope Range Mining District ⓘ Copper Dome Nos. 1 & 2 Prospects	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Iron Springs Mining District Pinto Iron Mining District (Pinto Mining District; Silver Belt Mining District) ⓘ Alluvial Iron Ores	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Iron Occurrence (MRDS - 10011204)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Stateline Mining District ⓘ Purple Promise No. 2; 5 & 10 Prospects	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Juab County Crater Bench Mining District ⓘ Baker Hot Springs	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tintic Mining District ⓘ Tintic Junction gravel pit 4	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Millard County Detroit Mining District (Drum Mining District; Joy Mining District) ⓘ Guy Mine (Mary Joe; Black Jack Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Devils Kitchen West Borrow Pit No.3	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
State Highway 132 ⓘ Utah State Department of Highways Pit No. 14053	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Utah Department of Highways Borrow Pit No. 14070	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Utah Department of Highways Borrow Pit No. 14071	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Utah Department of Highways Borrow Pit No. 14074	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Utah Department of Highways Pit No. 14021	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Utah Department of Highways Pit No. 14023	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Piute County Marysvale Mining District Dry Creek Canyon ⓘ Dry Creek Manganese	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Mount Baldy-Ohio Mining District ⓘ Shamrock Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Salt Lake County Bingham Mining District ⓘ Argentine Shaft Occurrence (Argentine Tunnel)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Winnamuck Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Cottonwood Heights ⓘ Cottonwood Clay pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Murray Refractories Clay pit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Little Cottonwood Mining District ⓘ Gad Valley Lower Prospects	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
San Juan County Moab - Bridger Jack Mesa ⓘ Unknown Uranium (MRDS - 10078984)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
White Canyon Mining District ⓘ Jomac Mine	Young, E. J., Weeks, A. D., Meyrowitz, Robert (1966) Coconinoite, a new uranium mineral from Utah and Arizona. American Mineralogist, 51 (5-6) 651-663
Sanpete County ⓘ Clay Prospect (MRDS - 10015523)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Mayfield Kaolinite Deposit	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Sevier County Gold Mountain Mining District ⓘ Debra Dawn (White Mark)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Tooele County Bingham Mining District ⓘ Carr Fork Mine (Utah Apex Pre 1947)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Star Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Dugway Range Dugway Mountains Mining District ⓘ Four Metals Mine (Silver King Mine; 2 Claims; New Years No. 1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Francis Property	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Gold Hill Mining District (Clifton Mining District) Clifton ⓘ Wilson Consolidated Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Knolls Sand Dunes Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lookout Pass Mining District Little Valley ⓘ Lookout Pass Thallium prospect	Norman King
Mercur Mining District ⓘ Camp Floyd Clay Pits	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Onaqui Mountains Lookout Pass ⓘ Lookout Pass Clay prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unknown Prospect (MRDS - 10012022)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Utah County ⓘ Hodson Clay Claim	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Santaquin Mining District ⓘ Syndicate Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Sunshine Mining District ⓘ Nickel Claims	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Vermont Rutland County ⓘ Brandon	History of Rutland County Vermont, 1886
Virginia Caroline County Milford ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Culpeper County ⓘ Clay Prospect (MRDS - 10067977)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Clay Prospect (MRDS - 10067978)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Shale and Clay Prospect (MRDS - 10067976)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Fairfax County ⓘ Clay Deposit (MRDS - 10067944)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Giles County ⓘ Pig Hole Cave	Murray, J. W. & Dietrich, R. V. (1956): Brushite and taranakite from Pig Hole Cave, Giles County, Virginia. American Mineralogist 41, 616-626.
King George County King George ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Prince William County Wellington ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Richmond (City) ⓘ Vivianite locality	Rocks&Min. 47:596 (1972)
Spotsylvania County Greenfield ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Massaponax ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Stafford County Butzner Corner ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Daffin's Crossing ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Fitters Corner ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Stafford Court House ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Stafford ⓘ Clay Prospect	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Westmoreland County Kinsale ⓘ Clay Prospect (1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Washington Benton County ⓘ Hanford	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Cowlitz County Kalama area ⓘ Roadcuts	Micro Probe (1995) 8-3 pp 15-19
Grant County Coulee City ⓘ Coulee City Marina	T Douglas Shconewald Collection
Soap Lake ⓘ South End Lake Lenore	T Douglas Schonewald Collection
Grays Harbor County Oakville ⓘ Oakville Quarries	Rudy Tschernich Zeolite Collection
Lewis County Doty Hills ⓘ Weyerhaeuser Lincoln Creek Quarry	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Wisconsin Columbia County ⓘ Williams Quarry	Brown, B. et. al. (2001) Economic Geology of the Baraboo and Waterloo Quartzites of southern Wisconsin: Field trip #3, Proceedings Guidebook 47th Annual meeting of the Institute on Lake superior Geology, Madison, WI: 47-48.
Wyoming Park County ⓘ Stinking Water prospect (Crater Mtn)	Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155
Sublette County Snider Basin Area ⓘ Unidentified Occurrence (MRDS - 10081177)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.

Mindat.org is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: May 7, 2024 02:58:05

Go to top of page