Chalcedony from Great Plains Domain, North America Plate

Chalcedony, etc.

Unnamed Chalcedony occurrence, Payson, Payson Mining District, Mazatzal Mountains, Gila County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA

Chalcedony, etc.

Unnamed Chalcedony occurrence, Payson, Payson Mining District, Mazatzal Mountains, Gila County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA

Chalcedony, etc.

Unnamed Chalcedony occurrence, Payson, Payson Mining District, Mazatzal Mountains, Gila County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA

Chalcedony

Saddle Mountain, Maricopa County, Arizona, USA


USA
ⓘ Arizona	Simpson, B., and Mitchell, J. R. 1989 Gem Trails of Arizona: Gem Guides Book company, Baldwin Park, California, 124 p.
Apache County Cane Valley Mining District Yazzie Mesa Monument No. 2 channel ⓘ Cato Sells Mine (Cato Sells Monument Mine; Cato Sells tract 1 and 2)	Ridge, J.D. (1968), Ore deposits of the United States 1933-1967, Vol. 1: 799-803. Reinhardt, E.V. (1951), Reconnaissance trip to Monument Valley, USAEL, RMO o. 624
ⓘ Lukachukai Mountains	Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300
Stinking Springs Mining District Hunt ⓘ Unnamed U occurrence [47] (Unnamed B)	Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143. RME-2071: 131.
Coconino County Cameron Mining District Cameron ⓘ Yazzi No. 312 Mine (Foley Brothers No. 5 Mine)	Scarborough, Robert B. (1981), Radioactive occurrences and uranium production in Arizona, Arizona Bureau of Geology and Mineral Technology Report for U.S. Department of Energy (Atomic Energy Commission), GJBX-143. RME-2071: 164.
Orphan Mining District Grand Canyon Village ⓘ Orphan Mine (Orphan lode)	Gornitz, V. (2004), Grand Canyon Uranium: The Orphan Mine, Mineral News: 20(6): 7..
White Mesa Mining District White Mesa ⓘ Copper World Mine	Mayo, E.B. (1955), Metaliferous minerals and mineral fuels Read, C.B. (1943), Copper deposits of the White Mesa Mining District, Coconino Co., AZ. Mineral resources, Navajo-Hopi Indian Reservations, Arizona-Utah, Vol. 1: 19-32
ⓘ Mardun Mine (White Mesa Cu occurrences; White Mesa Copper deposit)	Read, C.B., Sample, R.D., and Suldwold, Jr., H.H. (1943), Copper Deposits of White Mesa Mining District, Coconino County, Arizona, USGS unpublished field report. [available in the Arizona Geological Survey White Mesa file]
Gila County ⓘ Kohl’s Ranch fossil locality	[var. Agate] Beus, S. S., and Brew, D. C. (1978), Paleontology of the Naco Formation in the Kohl Ranch area, Arizona, in Burt, D. M., and Pewe, T. L., editors, Guidebook to the geology of central Arizona, 74th Cordilleran Section Meeting, Geological Society of America, Arizona State University, Tempe, Arizona: Arizona Bureau of Geology and Mineral Technology Special Paper no. 2: 131-137.
Mazatzal Mountains Payson Mining District (Green Valley Mining District) Gibson Peak area ⓘ Beauty 1-7 claims	[var. Agate] MRDS database Dep. ID #10065037, MRDS ID #TC40027.
Payson ⓘ Unnamed Agate occurrence (1)	[var. Agate] Patrisha Renz
ⓘ Unnamed Chalcedony occurrence (1)	Collected by Patrisha Renz
Maricopa County ⓘ New River	Mineralogical Record (2001) 32, 245.
ⓘ Saddle Mountain	[var. Agate] Getsinger, F. 1961 Agate in Arizona: Lapidary Journal, v. 15, no. 3, p. 316-318.
White Picacho Mining District San Domingo Wash Morning Star Mine (Morning Star prospects; Morning Star pegmatites) ⓘ South Morning Star Mine (South prospect)	Jahns, R.H. (1952), Pegmatite deposits of the White Picacho District, Maricopa and Yavapai Cos., AZ, AZ Bur. Mines Bull. 162: 51.
Navajo County ⓘ Joseph City	[var. Agate] P Cristofono collection, 2008
Mineral Mining District Mystery Valley Monument No. 1 channel (Channel No. 36) ⓘ Mitten No. 2 Mine	Witkind, Irving J. & Thaden (1963), USGS Bull. 1103, Geology & Uranium-Vanadium Deposits of the Monument Valley Area Apache and Navajo Counties, Arizona: 135.
Petrified Forest Mining District ⓘ Petrified Forest	King, Van (n.d.) Personal communcation.
ⓘ Woodruff	[var. Agate] P Cristofono collection, 2008
Winslow Mining District ⓘ Winslow	[var. Agate] Mitchell, 2001: Gem Trails of Arizona, p.102
ⓘ Rincon Basin occurrences	[var. Agate] Mitchell, 2001: Gem Trails of Arizona, p.104.
ⓘ Whetstone Mountains	Luetcke, Rolf (n.d.) Personal communication.
Yavapai County ⓘ Arizona Agate deposit	[var. Agate] MRDS database Dep. ID #10113266, MAS ID #0040250131.
Black Hills (Black Hill Range) Verde Mining District Jerome ⓘ Dundee-Arizona Mine	Anderson, C.A. & S.C. Creasy (1958), Geology and ore deposits of the Jerome area, Yavapai Co., AZ, USGS PP 308: 153.
Bradshaw Mountains (Bradshaw Range) ⓘ Agua Fria River (stream)	Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 193, 349 Hewett, et al (1963) Galbraith, F.W. & Brennan (1959), Minerals of AZ: 87.
Castle Creek Mining District ⓘ Castle Hot Springs - North of	[var. Agate] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348 Richards, R.A. (1956a), Arizona Agate Hunting, Rocks & Min.: 31: 279-280.
ⓘ Castle Hot Springs Chalcedony occurrence	MRDS database Dep. ID #10023618, MRDS ID #I000807.
Copperopolis ⓘ Champie Mine (Lehman Mine; Lehman Copper Mine; Lone Star Mine; UFO claims; Cersa Moje 1-7 claims; Rhoades-Iola claims)	Luetcke, Rolf (n.d.) Personal communication.
ⓘ Unnamed Cu prospect	Luetcke, Rolf (n.d.) Personal communication.
Thule Creek area ⓘ Tip Top Mine (Conqueror Mine; Golden Wonder Mines Inc. property)	Lindgren W. (1926), USGS Bull. 782: 25, 44, 180-181.
Morgan City ⓘ Morgan City Wash	[var. Agate] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85
New River Station area ⓘ Agua Fria River	[var. Agate] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348 Richards, R.A. (1956a), Arizona agate hunting, Rocks & Minerals: 31: 279-280.
ⓘ Perkinsville	[var. Agate] Mitchell, 2001: Gem Trails of Arizona, p.44.
ⓘ Sheep Bridge (Sheeps Bridge; Sheep's Bridge)	[var. Agate] Gerry Blair, Rockhounding, Arizona, 2nd edition, pg 133
Sierra Prieta Mountains Copper Basin Mining District ⓘ Cinnabar Queen Mine (Cinnabar Queen property; Cinnabar King Mine; Mercury Mine; Mercury group; Queen property; Adeline Mercury Mine; Big Plumne Mine; White House 30 claim)	MRDS database Dep. ID #10040370, MRDS ID #M055100.
ⓘ Slow Springs Wash	[var. Agate] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 348 Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 85
ⓘ Squaw Peak Mining District	P Cristofono collection
Thompson Valley Hillside ⓘ Lyles Hectorite Mine (Lyles Hectorite deposit; Lyles deposit; White Hills Lithium prospect)	MRDS database Dep. ID #10110072, MRDS ID #TC10273.
White Picacho Mining District ⓘ White Jumbo prospect	Jahns, Richard H. (1952), AZ Bur. of Mines Bull. 162: 51.
Colorado Bent County ⓘ Arkansas River	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Ninaview Area ⓘ Morrison Formation	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Boulder County Boulder County Tungsten Mining District ⓘ Bettig 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
ⓘ Black Hawk No. 1 vein	USGS Bull 583
ⓘ Cold Spring 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
ⓘ Conger 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
ⓘ Peewink Mountain 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
Caribou Mining District Grand Island Caribou Mine group ⓘ Caribou Mine (Caribou shaft)	Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300 Page, Lincoln R., Stocking, Hobart E., Smith, Harriet B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. Professional Paper 300. US Geological Survey doi:10.3133/pp300
ⓘ 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
Gold Hill Mining District ⓘ Logan & Sunbeam Occurrence	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
Jamestown Mining District Jamestown ⓘ Blue Jay 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
Chaffee County Browns Canyon Mining District ⓘ Colorado - American Mine (West Vein; Trefone Adit; East Vein; American Shaft; Mill Adit; Branch or Collins Vein)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Last Chance Mine (Lower Adit; Kramer Mine; Adit No. 1; Adit No. 2)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Unnamed Fluorspar Deposit (MRDS - 10087834)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Buffalo Peaks	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Poncha Pass Area ⓘ Poncha Pass Claim (3 Claims; Lucky Nos. 1)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Poncha Springs Area ⓘ Unnamed Fluorspar Deposit (MRDS - 10090937)	U.S. Geological Survey Professional Paper 829
Clear Creek County Chicago Creek ⓘ Anglo American	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Argentite	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Big Flat	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Cape Brenton	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
Cascade ⓘ Humboldt et al Claims	Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371 Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Charter Oak Prospect (Tyone)	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Mohawk	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Rocky & Stoney	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Union	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
Freeland-Lamartine Mining District Freeland Lone Tree (Old Stag; Laratine; New Era; Avalanche; Mendick; Golden Rod; Mary Ann; Teller; West London; Trembath) ⓘ Avalanche mine	Harrison & Wells(1955) USGS Trace element investigations reports 295. U.S. Geological Survey Bulletin 1032-B
Georgetown District Marshall (Ocean Wave; Welch; Dunaway; Kirtley; Argentine; Wide West; Equator) ⓘ Kirtley vein	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
ⓘ Snowdrift	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
Lamartine Mining District ⓘ 76 (Ouida; Evergreen Humbolt; S; Brunswick; Exchange; Kearsarge; Wallace; Bald Eagle; Mary Foster; Emma Jane; Mohawk; Argosy; Argentite; Gold and Silver Coin; American Boy)	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Alexander Tunnel	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
Black Eagle Group ⓘ Chicago	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Dixie Mine	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Eclipse Mine	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Henry Wilson	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Little Topsy	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Martha E. Mine	Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371 Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Muscovite	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Sappho	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Silver Leaf	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Silver Link	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Silver Ring (Silverine)	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
ⓘ Wallace Tunnel	Harrison, J.E., Wells, J.D. (1959) Geology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado. Professional Paper 319. US Geological Survey doi:10.3133/pp319
Lawson Mining District (Dumont Mining District; Montana Mining District) Idaho Springs ⓘ Diamond Joe tunnel	Moench, Robert Hadley, Drake, Avery Ala (1966) Mines and Prospects, Idaho Springs District, Clear Creek and Gilpin Counties, Colorado - Descriptions and Maps. Open-File Report Vol. 1966 (66-87) US Geological Survey doi:10.3133/ofr6687
ⓘ Peabody (Robineau occurrence)	Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
Conejos County ⓘ Blue Sky mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Platoro Mining District (Ute Mining District) ⓘ Dee Stock Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Mammoth Revenue Mine (Mammoth Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey. (2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Parole Mine (Parole Group; Patented Claims: Parole; MS 6606; Parole No. 2; MS 6606)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Valley Queen Mine (Platoro Tunnel; Ajax Nos. 1-10; Texas; Snowstorm; Platoro Tunnel Site; Valley King; Valley Queen Group; Patented Claims: Valley Queen; Shasta)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Vera Breccia Pipe Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Custer County Oak Creek Mining District (Ilse Mining District) ⓘ Terrible mine (Ilse Lead Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Rosita Mining District ⓘ Bassick Mine (Claims: Queen Victoria; Triangle; Nemeha; William; Augusta; Maine; Georgia)	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Iron Mountain Mine (Iron Mine; Iron Hill Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Silver Cliff Mining District ⓘ Bul - Domingo Mine (Johnny Bull; Domingo Mine; Bull Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Geyser Mine (Security - Geyser)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Denver County ⓘ Inspiration Point	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Dolores County Lone Cone Mining District (Dunton Mining District) ⓘ Smuggler Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Douglas County ⓘ Larkspur (2)	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
El Paso County ⓘ Austin Bluff	[var. Agate] snr.unl.edu (n.d.) http://snr.unl.edu/data/geologysoils/agates/agateslexicon.aspx?firstletter=A
ⓘ Austin Bluffs	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Cheyenne Mining District (St. Peters Dome Mining District)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Eureka Shaft	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ St Peters Dome	Pearl, R.M. (1958) Colorado Gem Trails & Mineral Guide. Sage Books, Chicago, Illinois.
ⓘ Eureka Tunnel (1-15 pegmatite)	Landes, K.K. (1935) Colorado Pegmatites. American Mineralogist, 20(5), 319-333.
Elbert County ⓘ Kiowa and Bijou Creeks	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Fremont County Beaver Creek Area Beaver Creek ⓘ Upper Beaver Creek Road	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Canon City Area ⓘ South	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Canon City Mining District Canon City ⓘ Curio Hill (Specimen Ridge)	[var. Agate] Pearl, 1958. Colorado Gem Trails & Mineral Guide
ⓘ Garden Park	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
McIntyre Hills Area ⓘ Spikebuck Mine	Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
ⓘ Thirtyone Mile Mountain	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Garfield County ⓘ Piceance Basin	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Gilpin County Central City Mining District (Central Mining District) Quartz Hill ⓘ German and Belcher	Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
ⓘ Grand County	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Grand Lake Mining District (Wolverine Mining District)	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Unnamed rhyolite flow	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Hot Sulfur Springs	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Middle Park	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Williams Fork	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Willow Creek	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Gunnison County ⓘ Gunnison River Gorge	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Marble Mining District ⓘ Inez	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Vulcan Mining District (Cebolla Mining District; Domingo Mining District) Vulcan ⓘ Good Hope Mine (Mammoth Good Hope Mine; Mammoth-Good Hope Mine; Mammoth Chimney Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Hinsdale County Galena Mining District (Henson Creek Mining District) ⓘ Henson Creek-Ute Creek	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Lake City Mining District Lake City ⓘ Golden Fleece Mine	Econ Geol (1985) 80:410-417
ⓘ Hidden Treasure Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Oulay Mine (Ulay Mine; Ute-Ulay Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Uncompahgre Peak	Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc., Phoenix, Arizona. 567pp.
Jackson County ⓘ Northgate Mining District	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Fluorspar Vein Properties (Cherry Open Pit; Penber; Northgate Fluorspar; Gero; Northgate Mine; Fluorspar Claims; Springer Open Pit; Fluorspar Mine; Fluorspar Vein)	USGS Bull 1082F
ⓘ Unknown Fluorine - Fluorite deposit	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Jefferson County Golden Mining District Golden ⓘ Green Mountain	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ North Table Mountain	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Morrison Area	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Ralston Buttes Mining District ⓘ Schwartzwalder Mine (Ralston Creek Mine)	USGS Open-File Report 83-417
La Plata County La Plata Mining District (California Mining District) ⓘ Ashland - Ten Broeck Mines (Parole Extension; MS 19962; Brawner; MS 19962; Patented Claims: Ashland; MS 1109; Ten Broeck; MS 19961)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Black Diamond Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Daisy - Hibernia Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Mountain Lily Mine (Camp Bird; MS 19403; Timberline; MS 17241; Ramona)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lake County Leadville ⓘ Belgian Mine	The Oxidized Zinc Ores of Leadville Colorado, G. F. Loughlin, 1918
Breece Hill ⓘ Ibex Mine	The Oxidized Zinc Ores of Leadville Colorado, G. F. Loughlin, 1918
Carbonate Hill ⓘ Maid Of Erin Mine	The Oxidized Zinc Ores of Leadville Colorado, G. F. Loughlin, 1918
St. Kevin - Independence ⓘ Amity Shaft	USGS Bull 1027E
Larimer County ⓘ Specimen Mountain	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Las Animas County ⓘ Summit of Range of Animas River	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Mesa County ⓘ Gunnison River	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
McInnis Canyons National Conservation Area ⓘ Opal Hill	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Piceance Basin	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Pinon Mesa	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ The Redlands	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Mineral County Creede Mining District Amethyst vein ⓘ Amethyst Mine	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Bachelor Mine	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Commodore Mine	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Last Chance Mine	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Bulldog Mountain Mine	Kucera, Ken (2021) The Bulldog Mountain Mine (aka Bulldog Mine), Blocks of Nearly Solid Silver, Creede Mining District, Mineral County, Colorado. CSM-Museum-Newsletter, 1-45
ⓘ Trout Creek Sulfur Deposit	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Wagon Wheel Gap ⓘ Colorado Fluorspar Company Mine	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Wolf Creek Pass ⓘ Treasure Falls locality	[var. Agate] Rocks & Minerals 79:5 pp316-324
ⓘ Moffat County	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Cross Mountain Area ⓘ Unnamed Copper Prospect (MRDS - 1001251)	[var. Agate] Maneotis: 2009
ⓘ Unnamed Copper Prospect (MRDS - 10013515)	[var. Agate] Rocks and Minerals, Simon & Schuster 1978
ⓘ Dinosaur National Monument	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Douglas Mountain Mining District ⓘ Browns Park Formation	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Quartz Tanks Peak Locality	[var. Agate] Matthew Crystalman
Otero County ⓘ La Junta (2)	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Park County Garo Area ⓘ Garo Deposit (Shirley May Mine; Duvall Discovery)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Guffey Mining District ⓘ Thirtyone Mile Mountain	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Hartsel Mining District ⓘ Agate Plateau	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
South Park ⓘ Antero Junction	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Agate Creek	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ South Park salt works	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Pueblo County	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Rio Blanco County ⓘ Greenwood Gulch	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Piceance Basin	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Rio Grande County ⓘ Rio Grande River (2)	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
Summitville Mining District (Summit Mining District) South Mountain ⓘ Aztec Mine (Summit Lode Mine; Fairview Mine; Aztec No. 1; Aztec No. 2; Claim: Aztec; MS 621a)	Holmes, Richard Walker, Kennedy, Marrianna B. (1983) Mines and Minerals of the Great American Rift (Colorado-New Mexico). Van Nostrand Reinhold Co., New York.
Saguache County Cochetopa Mining District (Cochetopa Creek Mining District) ⓘ Thornburg Mine (Los Ochos claims; Los Ochos Mine; Thornburg No. 1 Mine; T-1 Mine)	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
ⓘ Del Norte Thunder Egg beds	Rocks & Minerals (July-August, 2002)
ⓘ Houselog Creek	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ La Garita	Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ LaGarita Creek	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
ⓘ Poncha Pass Area	[var. Agate] Eckel, Edwin Butt , Cobban, Robert R., Mosburg, Shirley K., Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
San Juan County ⓘ Little Dora Mine	various correctly added photos
Teller County Cripple Creek Mining District ⓘ Buck Mine	www.minclassics.com
ⓘ Doctor Mine (Jackpot Mine)	Carnein, Carl R., Bartos, Paul J. (2005) Famous mineral localities: The Cripple Creek Mining District, Colorado, in March - April 2005. The Mineralogical Record, 36 (2) 143-185
ⓘ Globe Hill	Econ Geol (1985) 80:1669-1688
ⓘ Globe Hill Breccia pipe	Carnein, Carl R., Bartos, Paul J. (2005) Famous mineral localities: The Cripple Creek Mining District, Colorado, in March - April 2005. The Mineralogical Record, 36 (2) 143-185
ⓘ Granite Mine (Independent Granite)	Lindgren, W. and Ransome, F.L. (1906) Geology and gold deposits of the Cripple Creek district, Colorado. United States Geological Survey Professional Paper 54: 471-475.
Weld County ⓘ Kalous	[var. Agate] Pearl, 1958. Colorado Gem Trails & Mineral Guide
ⓘ New Raymer	[var. Agate] www.buenavistagemworks.com (2000) http://www.buenavistagemworks.com/agates/fairburn.htm
Illinois Jo Daviess County ⓘ East Dubuque	[var. Agate] Steve Bussan Collection
Iowa ⓘ Allamakee County	[var. Agate] Horick, P.J. (1974) The Minerals of Iowa. Iowa Geological Survey Educational Series 2, 88 pages.
Dubuque County Dubuque ⓘ Unnamed Agate occurrence	[var. Agate] MacFall, P.M. (1951) Gem Hunter's Guide (1st ed.). Science and Mathematics Publishing Company, 187 pages.
Keokuk County Harper ⓘ Harper quarry	[var. Agate] Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
Ollie ⓘ Kaser Quarry	[var. Agate] Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
Palo Alto County ⓘ Emmetsburg	[var. Agate] Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
Poweshiek County ⓘ Limestone quarry	Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
Washington County ⓘ West Chester limestone quarry	Smith, Arthur E., Prior, Harold L. (2002) Iowa Mineral Locality Index. Rocks & Minerals, 77 (6) 404-413 doi:10.1080/00357529.2002.9924893
Kansas ⓘ Logan County	www.people.ku.edu/~stalder/KS-minerals.html
ⓘ Osborne County	King, Van (n.d.) Personal communcation.
ⓘ Trego County	[var. Agate]
ⓘ Wallace County	Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
Nebraska Buffalo County ⓘ Kearney	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Cuming County ⓘ West Point	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Dawes County ⓘ Chadron	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Crawford	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Crawford Dam	Specimen from the collection of Kieth Harshbarger (1974) [Rock Currier 2010]
ⓘ Whitney	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Dawson County ⓘ Gothenburg	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Lexington	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Deuel County ⓘ Chappell	[var. Agate] Zeitner (1956), Midwest Gem Trails
Dodge County ⓘ Fremont	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Gage County ⓘ Holmesville	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Wymore	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Hall County ⓘ Grand Island	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Wood River	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Jefferson County ⓘ Fairbury	Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Johnson County ⓘ Elk Creek	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Tecumseh	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Lincoln County ⓘ North Platte	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Madison County ⓘ Norfolk	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Merrick County ⓘ Central City	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Morrill County ⓘ Bayard	[var. Agate] MacFall (1975) Gem Hunter's Guide
ⓘ Bridgeport	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Nance County ⓘ Fullerton	[var. Agate] MacFall (1975) Gem Hunter's Guide
Nemaha County ⓘ Auburn	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Brock	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Otoe County ⓘ Talmage	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Pawnee County ⓘ Burchard	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Du Bois	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Table Rock	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Richardson County ⓘ Dawson	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Falls City	Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Humboldt	[var. Agate] MacFall (1975) Gem Hunter's Guide
ⓘ Salem	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Saunders County ⓘ Prague	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Touhy	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Valparaiso	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Scotts Bluff County ⓘ Henry	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
ⓘ Mitchell	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Seward County ⓘ Garland	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
Sheridan County ⓘ Gordon	[var. Agate]
ⓘ Rushville	[var. Agate]
Sioux County ⓘ Agate
Agate Fossil Beds National Monument ⓘ Agate Springs Fossil Quarries	Zeitner (1956), Midwest Gem Trails
Thurston County ⓘ Winnebago	[var. Agate] Pabian, Roger K. (1971) The Minerals and Gemstones of Nebraska. Educational Circular 2. University of Nebraska - Conservation and Survey Divsion
New Mexico ⓘ Colfax County	Northrop, Stuart A., LaBruzza, F.A. (1996) Minerals of New Mexico (3rd ed.) University of New Mexico Press, Albuquerque, NM.
Oklahoma Cimarron County Kenton ⓘ Black Mesa	[var. Agate] snr.unl.edu (n.d.) http://snr.unl.edu/data/geologysoils/agates/AgateLexicon.asp?Name=B
Utah Emery County ⓘ Robbers Roost lamproite	Wannamaker, P. E., Hulen, J. B., & Heizler, M. T. (2000). Early Miocene lamproite from the Colorado Plateau tectonic province, southeastern Utah, USA. Journal of Volcanology and Geothermal Research, 96(3-4), 175-190.
Grand County ⓘ Agate Switch	[var. Agate] Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
ⓘ Cisco	[var. Agate] Bixby Catalog of Utah Minerals 1902
ⓘ Cisco; South of	[var. Agate] Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
Moab ⓘ Moab (North)	[var. Agate] Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
Thompsons Mining District ⓘ The Poison Strip	[var. Agate] (n.d.)
San Juan County Browns Hole-Upper Kane Creek Mining District ⓘ Chert Collecting Locality	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Lisbon Valley Mining District ⓘ Blue Crystal Mine	Rick Dalrymple Collection
Mexican Hat ⓘ Honaker Trail Formation	Collected by Sebastian Tauber in December 2108.
ⓘ Morrison Formation	www.paleoelegance.com (n.d.) http://www.paleoelegance.com/agatized-dinosaur-bone-and-coprolites
Red Canyon Mining District ⓘ Markey Mine	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
White Canyon Mining District ⓘ Happy Jack Mine (Blue Dike Mine)	USGS: Geological Survey Circular 217 USGS TEI #514
Uintah County ⓘ Fantasy Canyon	[var. Agate] Rick Dalrymple Collection
Wayne County Canyonlands Mining District ⓘ Spanish Bottoms Chalcedony Occurrence	(2005) Mineral Resources Data System (MRDS), US Geological Survey.
Wisconsin Green Lake County Green Lake ⓘ Morris pit	[var. Agate] Kevin Ponzio (2014)
Wyoming Albany County New Rambler Mining District ⓘ New Rambler mine (Rambler Mine; Holmes Mine; Electrolytic Mine; Great Rambler Mine)	Loucks, R. R. (1976). Platinum-gold-copper mineralization, central Medicine Bow Mountains, Wyoming (Masters thesis, Colorado State University).

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