Author
Geological Survey (U.S.)
444
Colorado Geological Survey
35
Geological Survey (U.S.),
35
United States. Bureau of Mines
26
Smith, Philip S. 1877-1949
18
Cobb, Edward H. 1916-1983
17
Diggles, M. F.
14
SpringerLink (Online service)
13
Toth, Margo I.
12
Soulliere, Sandra J.
11
Keller, John W. 1964-
9
TerBest, Harry
9
Van Loenen, Richard E.
9
Garrison, Rachel E.
8
Lesure, Frank Gardner, 1927-
8
Montana Bureau of Mines and Geology
8
Schrader, Frank C. 1860-1944
8
Tasmania. Department of Mines
8
Brooks, Alfred H. 1871-1924
7
California. Division of Mines and Geology
7
Doelling, Hellmut H., 1930-
7
Emmons, William H. 1876-1948
7
Simons, Frank S. 1917-
7
U.S. Atomic Energy Commission
7
Utah Geological and Mineral Survey
7
Bartsch-Winkler, S.
6
Cappa, James A.
6
Elliott, G. S.,
6
Evans, James George, 1938-
6
Johnson, Bruce R.,
6
Keith, William J., 1933-
6
Lindgren, Waldemar, 1860-1939
6
Patterson, Charles G.
6
Ransome, F. L. 1868-1935
6
Tripp, Bryce T.
6
Vander Meulen, Dean B.
6
Drewes, Harald, 1927-2015
5
Gray, Floyd
5
Hemborg, H. Thomas
5
Loughlin, G. F. 1880-1946
5
Minor, Scott A.
5
Moffit, Fred H. 1874-1958?
5
Peterson, Jocelyn A.
5
Randall, Lois E. 1902-
5
Symons, Henry H. 1894-1975
5
Tasmania. Geological Survey
5
Tysdal, Russell G.
5
Utah Geological Association
5
Widmann, Beth L.
5
Wyoming Geological Association
5
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