Author
Geological Survey (U.S.)
3,373
U.S. Atomic Energy Commission
389
Geological Survey (U.S.),
254
Colorado Geological Survey
122
Kentucky Geological Survey
102
Colton, Roger B. 1924-
82
California. Division of Mines and Geology
69
Montana Bureau of Mines and Geology
54
Hackman, Robert J.
53
Richmond, Gerald Martin, 1914-
47
United States. Bureau of Land Management
47
United States. National Park Service
45
Billingsley, George H.
44
Scott, Glenn R., 1918-2012
39
University of Texas at Austin. Bureau of Economic Geology
39
Afghanistan. Department of Geological Survey
37
Fullerton, David S.
34
Cooperative Geological Mapping Program (U.S.)
33
Massachusetts. Department of Public Works
33
Detterman, J. S.
32
Dibblee, T. W. 1911-2004
31
Drake, Avery Ala, 1927-
31
Marshall, C. H.
30
Oswego County Planning Board
29
Kirkham, Robert M.
28
McGraw, J. P.
28
Wood, Gordon H. 1919-
28
Miller, Todd S.,
27
Swadley, W. C.
27
Witkind, Irving J. 1917-2008
27
Bryant, Bruce, 1930-
26
Hedlund, David Carl, 1924-
26
Bohannon, Robert G.
25
Cater, Fred W. 1912-
25
Hail, William J. Jr., 1922-2018
25
Orkild, Paul P.
25
State Geological and Natural History Survey of Connecticut
25
Tabor, R. W.
24
McIntosh, Willard L.
23
McKay, E. J.
23
O'Sullivan, Robert Brett, 1923-
23
Weir, Gordon W. 1922-2011
23
Evans, James George, 1938-
22
Geological Survey of Wyoming
22
Richter, Donald H.
22
United States. Bureau of Indian Affairs
22
Braddock, William A., 1929-2003
21
Geological Society of America
21
Luft, Stanley Jeremie, 1927-
21
Smith, J. Fred 1911-1982
21
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