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Institution
Collection
Format
Subject
Geology
24
Geology, Stratigraphic
10
Coal
10
Geology, Structural
8
Colorado Geology
4
Colorado
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4
Groundwater
4
Oil-shales
4
Soils
3
Aquifers
3
Hydrology
3
Mines and mineral resources
3
Park County (Colo.)
3
Sediments (Geology)
3
Uranium ores
2
Coal Geology
2
Faults (Geology)
2
Lake County (Colo.)
2
Moffat County (Colo.)
2
Oil fields
2
Rio Blanco County (Colo.)
2
Summit County (Colo.)
2
United States CO San Juan Mts
2
Vanadium ores
1
Aerial photography in geology
1
Arapahoe County (Colo.)
1
Chaffee County (Colo.)
1
City planning
1
Coal mines and mining
1
Coalbed methane
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Author
222
Geological Survey (U.S.)
56
Colorado Geological Survey
34
U.S. Atomic Energy Commission
25
Scott, Glenn R., 1918-2012
24
Geological Survey (U.S.),
23
Cater, Fred W. 1912-
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22
Hail, William J. Jr., 1922-2018
19
Braddock, William A., 1929-2003
17
Bryant, Bruce, 1930-
17
Cooperative Geological Mapping Program (U.S.)
13
Taylor, Richard B.
11
Kirkham, Robert M.
11
O'Sullivan, Robert Brett, 1923-
10
Burbank, W. S. 1898-1975
10
Hackman, Robert J.
10
Olson, J. C. 1917-2013
10
Tweto, Ogden, 1912-1983
9
Donnell, John R. 1919-2013
9
Luedke, Robert G.
9
McKay, E. J.
8
Duncan, Donald C., 1911-1990
8
Madole, Richard F., 1936-
8
Steven, Thomas A. 1917-2013
7
Gaskill, David L.
7
Hedlund, David Carl, 1924-
7
Lipman, Peter W.
7
Noe, David C.
7
Smith, Marjorie C.
6
Cashion, W. B. 1923-
6
Johnson, Ross B., 1919-
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Language
Genre
Era
Region
Colorado
54
Rio Blanco County
38
Utah
33
Garfield County
32
Montrose County
29
Moffat County
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28
Gunnison County
27
Mesa County
27
San Miguel County
25
Jefferson County
21
Larimer County
18
Grand County
18
San Juan County
17
Delta County
17
Eagle County
17
Saguache County
16
Boulder County
15
Montezuma County
14
Huerfano County
14
Pitkin County
13
Costilla County
13
El Paso County
12
La Plata County
12
Wyoming
11
Custer County
11
Las Animas County
11
Ouray County
11
Park County
10
Summit County
10
United States
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Year of Publication