Author
Geological Survey (U.S.)
141 results
United States. Bureau of Land Management
118 results
United States. Bureau of Land Management. Colorado State Office
88 results
National Science and Technology Center (U.S.)
45 results
National Operations Center (U.S.)
37 results
Soulliere, Sandra J.
12 results
Colorado State Metal Mining Fund
10 results
Toth, Margo I.
10 results
United States. Bureau of Mines
9 results
ProQuest (Firm)
8 results
Allen, Elizabeth G.
7 results
Colorado Geological Survey
7 results
Van Loenen, Richard E.
7 results
Wilson, Anna B. (Anna Burack)
6 results
Bryant, Bruce, 1930-
5 results
Dersch, John S.
5 results
National Applied Resource Sciences Center (U.S.)
5 results
Steven, Thomas A. (Thomas August), 1917-2013
5 results
Colorado. Bureau of Mines
4 results
Colorado. Mining Industrial Development Board
4 results
Emmons, Samuel Franklin, 1841-1911
4 results
Fossett, Frank
4 results
Hollister, Ovando James, 1834-1892
4 results
Lindsey, David A.
4 results
Raymond, William H.
4 results
Sims, P. K. (Paul Kibler), 1918-2011
4 results
Armbrustmacher, Theodore J., 1946-
3 results
Bankey, Viki
3 results
Bieniewski, Carl L.
3 results
Burbank, W. S. (Wilbur Swett), 1898-1975
3 results
Colorado
3 results
Daniels, Jeffrey J.
3 results
DeCicco, Donald A.
3 results
Geological Survey Board of Colorado
3 results
Kluender, Steven E.
3 results
Leibold, Anne M.
3 results
Lutz, Gale A., 1939-
3 results
Patten, Lowell L.
3 results
Pearson, Robert Carl, 1926-
3 results
Sanford, Richard F.
3 results
Sharp, William N. (William Neil), 1922-
3 results
Singewald, Q. D. (Quentin Dreyer), 1902-1987
3 results
Snyder, George L. (George Leonard), 1927-
3 results
U.S. Atomic Energy Commission
3 results
United States. Environmental Protection Agency
3 results
Van Alstine, Ralph Erskine, 1914-
3 results
American Geophysical Union
2 results
Arnold, L. R.
2 results
Arnold, Mark A.
2 results
Bastin, Edson S. (Edson Sunderland), 1878-1953
2 results
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