Author
Geological Survey (U.S.)
4,381
U.S. Atomic Energy Commission
395
United States. National Aeronautics and Space Administration
190
Kentucky Geological Survey
126
Cobb, Edward H. 1916-1983
107
Bromery, Randolph W. 1926-2013
96
United States. Bureau of Land Management
72
California. Division of Mines and Geology
65
Colton, Roger B. 1924-
62
Hackman, Robert J.
57
Zandle, Gerald L.
55
Scott, Glenn R., 1918-2012
54
University of Texas at Austin. Bureau of Economic Geology
54
National Geographic Society (U.S.). Cartographic Division
52
Gilbert, Francis P.
49
Henderson, John R.
45
Zietz, Isidore, 1919-
45
Balsley, J. R.
43
Roehler, Henry W.
43
Planetary Geology Program (U.S.)
42
Stover, Carl W.
42
Massachusetts. Department of Public Works
41
National Geographic Maps (Firm)
40
Richmond, Gerald Martin, 1914-
39
Colorado Geological Survey
37
Meuschke, J. L.
37
Water Resources Council (U.S.)
37
O'Sullivan, Robert Brett, 1923-
35
Jet Propulsion Laboratory (U.S.)
34
Lesure, Frank Gardner, 1927-
34
Witkind, Irving J. 1917-2008
34
Geological Survey of Wyoming
33
Detterman, J. S.
32
Wood, Gordon H. 1919-
32
Dibblee, T. W. 1911-2004
31
Marshall, C. H.
30
Reagor, B. Glen
30
Weir, Gordon W. 1922-2011
30
Algermissen, Sylvester Theodore, 1932-2006
29
Fullerton, David S.
29
Geological Society of America
29
Montana Bureau of Mines and Geology
29
Richter, Donald H.
29
Rowley, Peter D.
29
Behrendt, John C., 1932-
28
Minnesota Geological Survey
28
State Geological and Natural History Survey of Connecticut
28
Carroll, Allen
27
Garver, John B., Jr
27
Missouri. Division of Geology and Land Survey
26
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