Author
Geological Survey (U.S.)
719
SpringerLink (Online service)
109
Geological Survey (U.S.),
105
U.S. Atomic Energy Commission
75
New Mexico Geological Society. Annual Field Conference
66
Geological Society of America
52
ScienceDirect (Online service)
51
Colorado Geological Survey
33
Wyoming Geological Association
29
Rocky Mountain Association of Geologists
28
Geological Survey of Canada
20
Utah Geological Association
20
Kentucky Geological Survey
18
Kansas Geological Survey
17
California. Division of Mines and Geology
16
Moffit, Fred H. 1874-1958?
16
West Texas Geological Society
16
Decade of North American Geology Project
15
North Dakota Geological Survey
15
Wyoming Geological Association. Annual Field Conference
15
American Association of Petroleum Geologists
14
Darton, Nelson Horatio, 1865-1948
14
Nevada Bureau of Mines
14
New Mexico Geological Society
14
King, Philip B., 1903-1987
13
Sims, P. K. 1918-2011
13
University of Texas. Division of Economic Geology
13
Arizona Geological Society
12
Baars, Donald L.
12
Brazil. Departamento Nacional da Produção Mineral
12
Capps, Stephen R. 1881-1949
12
Four Corners Geological Society
12
Illinois State Geological Survey
12
Michigan. Geological Survey Division
12
Ross, Clyde P. 1891-1965
12
Smith, Philip S. 1877-1949
12
Stokes, William Lee, 1915-1994
12
United States. Agency for International Development
12
United States. Department of Energy
12
Frye, John C. 1912-1982
11
Geological Survey of Pakistan
11
Lucas, Spencer G.
11
Montana Bureau of Mines and Geology
11
Ransome, F. L. 1868-1935
11
Armstrong, Augustus K.
10
Billings Geological Society. Field Conference
10
Drewes, Harald, 1927-2015
10
Du Bray, E. A.
10
Geological Society of America. Rocky Mountain Section. Annual Meeting
10
Harrison, Jack Edward, 1924-
10
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