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Institution
Collection
Format
Subject
Coal Geology
7
Anthracite coal
7
Geology
3
Coal
3
Geology, Stratigraphic
2
Stratigraphic correlation
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1
Coal mines and mining
1
Colorado
1
Fort Union Formation
1
Fruitland Formation (Colo. and N.M.)
1
Geology, Structural
1
Natural gas
1
Williams Fork Formation (Colo. and Utah)
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Author
15
Geological Survey (U.S.)
4
Soward, Kenneth S.
3
Bowers, William E. 1927-
3
Denson, N. M. 1914-
3
Mapel, W. J. 1922-
3
Rothrock, Howard E. 1893-1983
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2
Barnum, Bruce E.
2
Crysdale, Bonnie L.
2
Hardie, John K.
2
Roberts, Laura N. Robinson
2
Sanders, Robert B., 1938-
2
Wagner, Holly C. 1918-2005
2
Wood, Gordon H. 1919-
2
Zeller, H. D. 1922-2009
1
Arndt, Harold H.
1
Bergin, M. J. 1927-
1
Colorado Geological Survey
1
Culbertson, William Craven, 1919-
1
Danilchik, Walter
1
Dean, B. W.
1
Eakins, Wynn
1
Ellis, Margaret S. 1950-
1
Freeman, Val L., 1926-
1
Hackman, Robert J.
1
Haley, Boyd Raymond, 1922-
1
Hayes, Philip T. 1923-
1
Hiett, John K.
1
Johnson, Vard H. 1909-1984
1
Kehn, Thomas M.
1
Kent, Bion H. 1925-
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Language
Genre
Literary Form
Region
8
Wyoming
7
Pennsylvania
7
Utah
6
Colorado
6
Schuylkill County
5
Garfield County
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4
North Dakota
4
Sheridan County
3
Kane County
3
Montana
3
New Mexico
3
Powder River Basin (Wyo. and Mont.)
3
San Juan County
2
Big Horn County
2
Campbell County
2
Carbon County
2
Hettinger County
2
Johnson County
2
Stark County
2
Sweetwater County
1
Columbia County
1
Daniels County
1
Delta County
1
Fort Union Formation
1
Fruitland Formation (Colo. and N.M.)
1
Gunnison County
1
Kentucky
1
La Plata County
1
Las Animas County
1
Luzerne County
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Year of Publication