Author
Geological Survey (U.S.)
285
Geological Survey (U.S.),
131
United States. Bureau of Mines
76
Dames & Moore
69
Colorado Geological Survey
28
IntraSearch, Inc
18
U.S. Atomic Energy Commission. Division of Raw Materials
18
Fieldner, Arno Carl, 1881-1966
16
ScienceDirect (Online service)
14
Dowd, James J.
13
Illinois State Geological Survey
13
Gray, T. E.
12
Wolfson, D. E.
12
Averitt, Paul, 1908-1991
11
Birge, George W.
11
Wallace, Joseph J.
11
Averitt, Paul, 1908-1991,
10
Campbell, Marius R. 1858-1940
10
Abernethy, R. F. 1905-1990
9
Murray, D. Keith
9
Palowitch, E. R.
9
Pierce, Brenda S.
9
Barnes, Farrell F. 1905-1980
8
Barnes, Farrell F. 1905-1980,
8
Culbertson, William Craven, 1919-
8
Eakins, Wynn
8
Mapel, W. J. 1922-
8
AAA Engineering and Drafting
7
Biewick, Laura H.
7
Ellis, Margaret S. 1950-
7
Toenges, Albert L. 1889-
7
United States. Bureau of Land Management. Portland Service Center,
7
Colorado School of Mines. Research Institute
6
Deurbrouck, A. W.
6
Englund, Kenneth John, 1923-
6
Kirkham, Robert M.
6
Landis, Edwin R. 1926-2010
6
Ode, W. H. 1905-
6
Reynolds, D. A.
6
Schopf, James M. 1911-1978
6
U.S. Atomic Energy Commission,
6
United States. Bureau of Indian Affairs
6
Wood, Gordon H. 1919-
6
Zeller, H. D. 1922-2009
6
Bargh, Margaret H.
5
Brownfield, M. E.
5
Geer, M. R. 1912-1981
5
Glass, Gary B.
5
Holt, Richard D.
5
Hunter, Kate
5
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