Author
Geological Survey (U.S.)
United States. Bureau of Land Management
798
U.S. Atomic Energy Commission. Division of Raw Materials
602
National Water-Quality Assessment Program (U.S.)
496
U.S. Atomic Energy Commission
455
National Operations Center (U.S.)
453
United States. National Aeronautics and Space Administration
377
United States. Environmental Protection Agency
333
United States. National Park Service
286
United States. Department of Energy
271
United States. Bureau of Reclamation
234
United States. Forest Service
182
United States. Bureau of Mines
178
United States. Defense Mapping Agency. Hydrographic/Topographic Center
176
United States. Department of Energy. Nevada Operations Office
174
United States. Army. Corps of Engineers
159
United States. Agency for International Development
134
Kentucky Geological Survey
133
Southwest Florida Water Management District (Fla.)
127
U.S. Fish and Wildlife Service
114
United States. Bureau of Land Management. Montana State Office
111
Cobb, Edward H. 1916-1983
106
Afghanistan. Department of Geological Survey
104
United States. Bureau of Indian Affairs
103
U.S. Atomic Energy Commission. Raw Materials Operations
100
Bromery, Randolph W. 1926-2013
93
United States. Bureau of Land Management. New Mexico State Office
90
Colton, Roger B. 1924-
86
South Florida Water Management District (Fla.)
86
National Science Foundation (U.S.)
84
United States. Bureau of Land Management. Wyoming State Office
83
United States. National Oceanic and Atmospheric Administration
81
Montana Bureau of Mines and Geology
76
Arkansas Soil and Water Conservation Commission
74
Kansas Geological Survey
73
Missouri. Division of Geology and Land Survey
73
National Regional Aquifer Systems Analysis Program (U.S.)
73
New Jersey. Department of Environmental Protection
72
Turner, Kenzie J.
72
Bullock, John H.
71
Planetary Geology Program (U.S.)
70
Washington (State). Department of Ecology
70
Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
69
California. State Water Resources Control Board
69
Dames & Moore
69
Saudi Arabia. Deputy Ministry for Mineral Resources
68
United States. Bureau of Land Management. Colorado State Office
67
National Science and Technology Center (U.S.)
66
St. Johns River Water Management District (Fla.)
65
Davis, Philip A. 1950-
63
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