Northwest Research Obsidian Source Reference Database
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As Ward (1977) has pointed out, it is not enough to show only the similarities between characterized artifacts and geologic sources. To reliably assign geologic sources, it is also necessary to demonstrate the dissimilarities between artifacts and known sources. In theory, for correlational methods to be truly reliable, the extent of the geologic source universe with which artifacts are compared must be as extensive and complete as possible. To that end, our obsidian source universe (geochemical sources) is presented in this section. All obsidian sources listed below, except those marked with an asterisk (*), have been analyzed at the Northwest Research Obsidian Studies Laboratory. These sources make up the obsidian source reference universe with which artifact trace element data are compared and correlated. The trace element composition of sources designated by an asterisk are currently known to us only through literature references. For additional source information and alternate source names, take the active state links to the U. S. Obsidian Source Catalog. Maps? We've now begun to produce maps showing the generalized locations of many of the sources listed below (particularly those in the western United States. Click HERE to see what's available. FGV Source Universe? Looking for information about the laboratory FGV (fine-grained volcanic materials and basalt) source universe? Click HERE for more details.
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SOURCE |
REFERENCES or PDF |
Batza Tena |
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Suemez Island |
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Wiki Peak (Nutzotin Mountains) |
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Black Tank |
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Burro Creek |
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Cow Canyon |
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Deadman Mesa |
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Government Mountain |
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Kendrick Peak |
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O'Leary Peak/Robinson Crater |
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Partridge Creek (Round Mountain) |
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Presley Wash |
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Red Hill |
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RS Hill |
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San Francisco Peaks (Fremont-Agassiz Saddle) |
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San Francisco Peaks B |
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Sand Tanks * |
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Sitgreaves Mountain * |
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Slate Mountain (Wallace Tank) |
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South Sauceda Mountains * |
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Superior |
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Tank Mountains * |
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Topaz Basin |
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Vulture |
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Anahim |
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Central Coast Unknown B |
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East Creek (Vancouver Island) |
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Garibaldi |
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Ilgachuz |
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Kingcome (Central Coast Unknown A) |
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Mount Edziza (incomplete) |
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Annadel, North Coast Ranges |
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Blue Mountain |
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Blue Spring, Warner Mountains |
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Bodie Hills |
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Borax Lake, North Coast Ranges |
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Bristol Mountains (Bagdad) |
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Buck Mountain, Warner Mountains |
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Burdell Mountain, North Coast Ranges |
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Callahan Flow, Medicine Lake Highlands |
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Casa Diablo: Prospect Ridge * |
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Casa Diablo: Lookout Mountain |
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Casa Diablo: Sawmill Ridge |
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Chalk Spring Junction * |
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Coso: Joshua Ridge * |
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Coso: Sugarloaf |
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Coso: West Cactus Peak * |
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Coso: West Sugarloaf |
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Cougar Butte, Medicine Lake Highlands |
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Cowhead Lake, Warner Mountains |
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Del Prat Spring * |
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East Glass Mountain, Medicine Lake Highlands * |
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East Medicine Lake, Medicine Lake Highlands |
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Fish Lake Valley |
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Fish Springs |
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Franz Valley, North Coast Ranges |
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Franz Valley 2, North Coast Ranges * |
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Fredonyer Peak |
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GF/LIW/RS (Grasshopper Flat, Lost Iron Well, Red Switchback) |
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Glass Mountain Chemical Group, Medicine Lake Highlands (Glass Mountain, Grouse Hill, Little Glass Mountain) |
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Grimes Canyon Fused Shale (several varieties) |
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Guilicos, North Coast Ranges * |
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Hackberry Mountain * |
Unpublished reference |
Harris Flat, Warner Mountains |
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Jess Valley |
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Kelly Mountain |
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Logo |
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Los Guilicos A and B, North Coast Ranges * |
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Mono Craters (Panum Dome) |
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Mono Glass Mountain |
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Mt. Konocti, North Coast Ranges |
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Napa Valley, North Coast Ranges (Napa Glass Mountain)/font> |
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Obsidian Butte |
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Queen |
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Railroad Grade, Medicine Lake Highlands |
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Rainbow Mines, Warner Mountains |
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Resting Spring Range (Shoshone) |
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Saline Valley 1 (Queen Imposter) |
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Saline Valley 2 |
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Saline Valley 3 |
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Silver Peak |
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South Warners, Warner Mountains |
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Sugar Hill, Warner Mountains |
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Trinity, North Coast Ranges * |
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Tuscan: Cow Creek (Backbone Ridge-Cow Creek)/font> |
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Tuscan: Paradise Ridge 1-2 |
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Tuscan: Paynes-Inks Creek |
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El Chayal, Guatemala |
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Ixtepeque, Guatemala |
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Jalapa, Guatemala |
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San Martin Jilotepeque (Pachay) Guatemala |
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Beaver Creek |
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Cochetopa Dome |
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Nathrop/Ruby Mountain |
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Silver Cliff |
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Orito, Easter Island |
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Rano Kau I, Easter Island |
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Rano Kau II, Easter Island |
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Pu'uwa'awa'a, Hawaii |
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American Falls |
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Bear Gulch |
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Bear Gulch 2 |
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Big Southern Butte |
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Big Spring |
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Browns Bench |
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Butte Valley Group A |
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Cannonball Mountain |
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Chesterfield * |
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Coal Bank Spring |
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Deadhorse Ridge |
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Grassy Mountain |
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Headquarters Tachylyte (Craters of the Moon) |
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Jordan Creek |
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Kelly Canyon |
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Malad |
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Owyhee |
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Packsaddle Creek * |
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Partridge Creek * |
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Reas Pass (Yale Creek) |
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Reynolds |
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Sinker Canyon |
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South Partridge Creek * |
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Striker Basin Gulch |
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Timber Butte |
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Upper Fish Creek Road * |
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Wedge Butte |
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Lipari |
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Melos |
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Monte Arci, Sardinia (several varieties) |
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Palmarola |
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Pantelleria |
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Agua Fria, Sonora, Mexico |
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Lago Barreal, Sonora, Mexico |
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Los Vidrios, Sonora, Mexico |
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Magdalena, Jalisco, Mexico |
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Pachuca, Hidalgo, Mexico |
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San Felipe, Baja, Mexico * |
Unpublished reference |
Sierra La Brena, Chihuahua, Mexico |
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Tres Virgines (Valle del Azufre) Baja, Mexico * |
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Zinapequaro, Michoacan, Mexico |
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Montana Creek |
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Badger Creek |
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Bodie Hills (Pine Grove Hills) |
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Bog Hot Springs Unknown 1 |
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Box Spring * |
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Box Spring Vitrophyre |
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Browns Bench |
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BS/PP/FM (Bordwell Spring, Pinto Peak, Fox Mountain) |
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Buffalo Hills (South Warners 2, Unknown B) |
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Butte Mountain * |
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Castle Mountain * |
Unpublished reference |
Cave Spring Vitrophyre |
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CB Concrete |
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Cloverdale Canyon A and B |
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Crow Spring |
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Delamar Range Vitrophyre |
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Desatoya Mountains Vitrophyre |
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Devil Peak East |
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Devil Peak West * |
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Double H Mountain |
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Ferguson Wash |
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Garfield Hills |
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Goldfield Hills (Stonewall Flat) |
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Hawks Valley |
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Kane Springs Wash Caldera Variety 1, NV (Delamar Mountains) |
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Kane Springs Wash Caldera Variety 2, NV (Kane Springs) |
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Long Valley |
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Massacre Lake/Guano Valley |
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Meadow Valley Mountains |
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Modena |
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Montezuma Range * |
Unpublished reference |
Mosquito Lake A and B |
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Mt. Hicks |
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Mt. Majuba |
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Oak Spring Butte (Split Ridge/Pahute Mesa, Tubb Spring) |
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Obsidian Butte, NV, Variety 1 |
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Obsidian Butte, NV, Variety 2 (Airfield Canyon) (Obsidian Butte Variety H-3, Sarcobatus Flat A) |
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Obsidian Butte, NV, Variety 3 (Obsidian Butte) (Obsidian Butte Variety H-5, Sarcobatus Flat B) |
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Obsidian Butte, NV, Variety 4 (Obsidian Butte) (Obsidian Butte Variety H-5, Sarcobatus Flat B) |
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Obsidian Butte, NV, Variety 5 (Unknown C) |
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Oreana |
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Pancake Mountain * |
Unpublished reference |
Paradise Valley |
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Pierson Summit |
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Pink Butte |
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Robinson Summit |
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Shoshone Mountain (Fortymile/Topopah/Yucca Wash) |
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Silver Peak |
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Soldier Creek |
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South Kawich Range (Apache Tear Canyon) |
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South Pahroc |
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Surveyor Spring |
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Sutro Springs |
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Tempiute Mountain (Butte Valley Unknown B) |
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White Rock Canyon * |
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Antelope Wells * |
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Banco Bonito, Valles Caldera |
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Bear Springs Peak |
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Bearhead Peak * |
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Cerro del Medio, Valles Caldera |
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Grants Ridge, Mt. Taylor Volcanic Field |
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Gwynn and Ewe Canyons * |
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Horace Mesa, Mt. Taylor Volcanic Field |
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McDaniel Tank |
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Mule Creek |
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No Agua Peaks (North Hill) |
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Obsidian Ridge, Jemez Mountains |
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Polvadera Peak (El Rechuelos), Jemez Mountains |
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Red Hill * |
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Rio Grande Gravels * |
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Alkali Valley Vitrophyre |
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Bald Butte |
Also see Carlon (Bald Butte) |
Barren Valley |
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Bear Creek (Malheur National Forest) |
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Beatys Butte |
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Beatys Butte B |
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Beaver Mountain (Dooley Mountain) |
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Big Bend (Malheur National Forest) |
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Big Obsidian Flow (Big Obsidian Flow, Buried Obsidian Flow) |
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Big Stick |
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Blowfly Spring (Malheur National Forest) |
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Brooks Canyon |
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Browder Ridge Vitrophyre |
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Buck Spring |
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Buena Vista Overlook |
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Bull Lake |
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Burns (Burns Butte) |
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Burnt Mountain |
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Butte Creek |
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Carlon (Bald Butte) |
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Carver Flow |
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Chickahominy |
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China Hat |
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China Lake |
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Clackamas River |
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Coglan Buttes |
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Cold Point |
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Cougar Mountain |
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Coyote Wells |
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Coyote Wells East |
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Crazy Creek (Malheur National Forest) |
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Crooked Creek (Malheur National Forest) |
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Curtis Creek (Indian Grade Spring Unknown 2) |
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Dant |
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Deep Canyon Vitrophyre |
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Deer Creek |
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Delintment Lake |
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Devil Point |
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Devils Overlook |
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Diatomite Reservoir |
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Dog Hill |
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Double O |
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Drews Creek/Butcher Flat |
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Duncan Creek |
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East Butte |
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East Lake Fissure, Newberry Caldera |
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Ebell Creek, Dooley Mountain |
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Eldorado (Whitman National Forest) |
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Glass Buttes 1 (Glass Buttes) |
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Glass Buttes 2 |
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Glass Buttes 3 |
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Glass Buttes 4 |
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Glass Buttes 5 |
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Glass Buttes 6 |
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Glass Buttes 7 |
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Glass Buttes 8 |
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Glass Buttes 9 |
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Grassy Mountain |
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Gregory Creek |
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Guyer Creek |
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Hager Mountain |
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Hart Mountain |
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Hawks Valley |
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Horse Mountain |
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Horse Mountain B |
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Hurley Spring |
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Indian Creek (Dooley Mountain) |
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Indian Creek Buttes |
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Indian Creek Buttes B |
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Inman Creek A |
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Inman Creek B |
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Jordan Creek |
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Juniper Spring Hill |
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Klamath Marsh 1 |
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Klamath Marsh 2 |
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Lemiti Creek |
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Little Garden |
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Little Obsidian Flow, Newberry Volcano |
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Logan Valley |
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Lowell Vitrophyre |
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Malheur Gap |
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Massacre Lake/Guano Valley |
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McComb Butte |
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McComb Butte Impostor |
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McKay Butte, Newberry Volcano |
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Mud Ridge |
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Mutton Mountains |
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New Era |
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Newberry Volcano (Central Pumice Cone Flow, East Lake Flows, Game Hut Flow, Interlake Flow) |
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Obsidian Cliffs |
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Owyhee |
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Parsnip Creek |
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Paulina Peak, Newberry Volcano |
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Poison Creek (Malheur National Forest) |
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Quartz Mountain, Newberry Volcano |
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Rhododendron Ridge |
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Riley |
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Rimrock Spring |
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Rock Mesa |
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Round Top Butte |
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Silver Lake/Sycan Marsh |
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Skull Springs |
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Sourdough Mountain |
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South Creek |
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South Paulina Peak |
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South Sister Dome Chain |
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Spodue Mountain |
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Squaw Mountain |
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Squaw Ridge |
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Surveyor Spring |
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Sutton Mountains |
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Tank Creek |
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Tough Butte |
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Tucker Hill |
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Tule Spring (Indian Grade Spring Unknown 1) |
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Tumalo Creek |
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Upper Gap Lake |
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Van Gulch (Malheur National Forest) |
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Variety 5 |
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Venator |
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Wagontire |
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West McKay (Unknown X) |
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Whitehorse |
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Whitewater Ridge (Malheur National Forest) |
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Wildcat Basin |
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Wildcat Creek |
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Witham Creek |
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Wolf Creek (Malheur National Forest) |
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Yreka Butte |
-- |
Barangay Caunayan (Luzon) |
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Barangay Manaol (Luzon) |
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Huluga (Mindanao) |
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Nagcarlan (Luzon) |
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Taal (Luzon) |
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Black Hills |
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Rio Grande Gravels * |
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Black Mountain |
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Black Rock Area |
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Browns Bench |
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Ferguson Wash |
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Marysvale |
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Modena |
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Pumice Hole Mine |
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Pumice Hole Mine B |
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Pyramid Peak Vitrophyre |
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Topaz Mountain |
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White Mountain |
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Wild Horse Canyon |
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Wildcat Hills |
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Agnes Creek A |
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Agnes Creek B |
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Bickleton Ridge |
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Cleman Mountain Tachylyte |
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Copper Ridge Variety A |
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Copper Ridge Variety B |
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Copper Ridge Variety C |
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Copper Ridge Variety D |
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Elk Pass |
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Hosko A (Brooks Memorial State Park) |
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Hosko B (Brooks Memorial State Park) |
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Indian Rock (Unknown Variety A) |
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Nasty Creek (Rocky Coulee) Tachylyte |
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Parke Creek Tachylyte |
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Satus Creek |
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Stray Gulch Tachylyte |
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Yakima |
Unpublished reference |
Cougar Creek, Yellowstone National Park |
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Crescent H * |
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Grassy Lake Reservoir |
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Obsidian Cliff, Yellowstone National Park |
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Park Point, Yellowstone National Park * |
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Tanker Curve, Yellowstone National Park |
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Teton Pass |
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