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Institution
Collection
Subject
Geology
64
Geology, Stratigraphic
38
Mines and mineral resources
18
Ore deposits
9
Petrology
6
Green River Formation
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6
National parks and reserves
5
Uranium ores
4
Coal
4
Engineering geology
4
Environmental monitoring
3
Geochemistry
3
Gold mines and mining
3
Gunnison Gorge National Conservation Area (Colo.)
3
Mesaverde Group
3
Mineralogy
3
Paradox Formation
3
Volcanism
3
Water-supply
2
Alkalic igneous rocks
2
Borings
2
Clay
2
Coal mines and mining
2
Crystalline rocks
2
Fluorspar
2
Geology, Economic
2
Groundwater
2
Harold D. Roberts Tunnel (Colo.)
2
Igneous rocks
2
Intrusions (Geology)
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Author
207
Geological Survey (U.S.),
40
Geological Survey (U.S.)
20
U.S. Atomic Energy Commission,
8
Colorado State Metal Mining Fund
8
Hail, William J. Jr., 1922-2018,
7
United States. National Park Service. Geologic Resources Division,
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6
Hansen, Wallace R., 1920-
6
Kellogg, Karl S.
5
Bryant, Bruce, 1930-
5
Colorado State Metal Mining Fund,
5
Cross, Whitman, 1854-1949,
5
Ruleman, C. A.
5
Scott, Glenn R., 1918-2012,
5
Steven, Thomas A. 1917-2013,
5
Tweto, Ogden, 1912-1983,
4
Berry, Margaret E.,
4
Colorado Geological Survey
4
Johnson, Ronald C. 1950-
4
KellerLynn, Katie,
4
Machette, Michael N.
4
Ransome, F. L. 1868-1935,
4
Sheridan, Douglas M., 1921-
4
United States. Bureau of Land Management
4
Wells, John David, 1926-
3
Carrara, Paul E.
3
Colorado Geological Survey,
3
Colorado. Mining Industrial Development Board
3
Condon, Steven M.,
3
Emmons, Samuel Franklin, 1841-1911,
3
Gable, Dolores J., 1922-2012,
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Language
Genre
Literary Form
Era
Region
Colorado
17
Utah
10
New Mexico
9
Eagle County
9
Front Range (Colo. and Wyo.)
9
Jefferson County
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9
Moffat County
8
Clear Creek County
8
Green River Formation
7
Wyoming
6
Costilla County
6
Gunnison County
6
Jackson County
6
Piceance Creek Basin
6
Piceance Creek Watershed
6
San Juan Mountains (Colo. and N.M.)
5
Boulder County
5
Chaffee County
5
Gilpin County
5
Grand County
5
Larimer County
5
Leadville
5
Park County
5
Summit County
4
Conejos County
4
Lake County
4
Morgan County
4
San Juan County
4
San Miguel County
4
Taos County
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Call Number
Year of Publication