Author
Geological Survey (U.S.),
305
American Geophysical Union
116
International Geological Congress
116
U.S. Atomic Energy Commission,
68
Thornberry, Trista L.,
63
Afghan Geological Survey,
62
U.S. Task Force for Business and Stability Operations
61
Geological Survey (U.S.)
49
NetLibrary, Inc
41
Geological Society of America
33
KellerLynn, Katie,
30
Kentucky Geological Survey
30
Oswego County Planning Board
30
U.S. Atomic Energy Commission
30
Kokaly, Raymond F.,
29
Miller, Todd S.,
29
Graham, John P.
28
King, Trude V. V.,
27
Gilfillan, David,
26
Lattanzio, Robert,
26
Cobban, William Aubrey, 1916-
20
Imlay, Ralph W. 1908-1989,
20
Johnson, Corey, 1961-
19
Sando, William Jasper,
19
United States. Department of Energy
19
Decade of North American Geology Project
18
Du Bray, E. A.,
18
Feltis, R. D. 1930-
18
National Science Foundation (U.S.)
18
United States. National Park Service
18
Berry, Edward Wilber, 1875-1945,
17
United States. Congress. Senate. Committee on Energy and Natural Resources,
17
JSTOR (Organization)
15
Ketner, Keith Brindley, 1921-
15
Girty, George Herbert, 1869-1939,
14
Michigan. Geological Survey Division
14
Normand, Anna E.,
14
Texas Board of Water Engineers
14
United States. Agency for International Development
14
United States. Interdepartmental Committee on Scientific and Cultural Cooperation,
14
Darton, Nelson Horatio, 1865-1948,
13
Reeside, John B. 1889-1958,
13
Stephenson, Lloyd William, 1876-1962,
13
United States. Bureau of Reclamation
13
Brazil. Departamento Nacional da Produção Mineral
12
Cooke, C. Wythe 1887-1971,
12
Drewes, Harald, 1927-
12
MacKevett, E. M. 1918-
12
Muller, Ernest Hathaway, 1923-
12
Pitman, Janet K.,
12
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