Author
Geological Survey (U.S.)
9,060 results
United States. Bureau of Land Management
139 results
United States. Department of Energy. Nevada Operations Office
139 results
United States. Environmental Protection Agency
138 results
U.S. Fish and Wildlife Service
134 results
United States. Bureau of Reclamation
129 results
United States. National Park Service
122 results
United States. Department of Energy
119 results
United States. Army. Corps of Engineers
117 results
United States. Agency for International Development
103 results
Afghanistan. Department of Geological Survey
100 results
Saudi Arabia. Deputy Ministry for Mineral Resources
86 results
Afghan Geological Survey
72 results
U.S. Task Force for Business and Stability Operations
70 results
Turner, Kenzie J.
68 results
Davis, Philip A. (Philip Arthur), 1950-
65 results
Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
64 results
National Water-Quality Assessment Program (U.S.)
63 results
Clark, Perry S.
53 results
Berge Exploration Inc
51 results
Maryland Geological Survey
48 results
Nakata, Jennifer S.
46 results
Bohannon, Robert G.
45 results
Fox, J. E. (James Ellison), 1943-
45 results
Adrian, Betty M.
44 results
Bullock, John H.
43 results
Southwest Florida Water Management District (Fla.)
43 results
Higley, Debra K.
40 results
United States. Federal Emergency Management Agency
40 results
Hawaiian Volcano Observatory
38 results
Indiana. Department of Transportation
38 results
Poppe, Lawrence J.
38 results
United States. Bureau of Indian Affairs
37 results
United States. Forest Service
34 results
Langenheim, Victoria E.
33 results
Wright, Thomas L. (Thomas Llewellyn), 1935-
33 results
Kokaly, Raymond F.
32 results
United States. Bureau of Mines
32 results
United States. Federal Aviation Administration
32 results
Afghanistan. Geological and Mineral Survey
31 results
Detra, D. E.
31 results
McHugh, John B.
31 results
California. Department of Water Resources
30 results
King, Trude V. V.
30 results
Robinson, Bret A.
30 results
Voelker, David C.
30 results
Day, Gordon W.
29 results
Ponce, David A.
29 results
Andreasen, David C.
28 results
Curtin, Stephen E.
28 results
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