Author
Geological Survey (U.S.)
9,994
Geological Survey (U.S.),
2,940
United States. Central Intelligence Agency
1,125
United States. Bureau of Land Management
952
United States. Forest Service,
782
National Operations Center (U.S.)
468
United States. Bureau of Land Management,
441
United States. National Aeronautics and Space Administration
420
U.S. Atomic Energy Commission
404
National Operations Center (U.S.),
373
United States. Forest Service
331
United States. National Park Service,
279
United States. National Park Service
233
Colorado Geological Survey
216
U.S. Fish and Wildlife Service
203
United States. Defense Mapping Agency. Hydrographic/Topographic Center
177
National Science and Technology Center (U.S.)
141
Kentucky Geological Survey
130
United States. Bureau of Land Management. Montana State Office
123
Geometronics Service Center (U.S.)
120
Cobb, Edward H. 1916-1983
107
National Geographic Society (U.S.). Cartographic Division
103
United States. Bureau of Land Management. New Mexico State Office
103
Colton, Roger B. 1924-
101
Afghanistan. Department of Geological Survey
99
California. Division of Mines and Geology
97
Bromery, Randolph W. 1926-2013
96
United States. Bureau of Land Management. Colorado State Office
94
United States. Bureau of Land Management. Wyoming State Office
88
United States. Congress. Joint Committee on Taxation
88
United States. Forest Service. Southern Region
87
United States. Natural Resources Conservation Service
87
United States. Agency for International Development
83
United States. Soil Conservation Service
80
Montana Bureau of Mines and Geology
75
Planetary Geology Program (U.S.)
72
Turner, Kenzie J.
72
Southwest Florida Water Management District (Fla.)
71
United States. Environmental Protection Agency
70
Afghanistan. Idārah-i ʻUmūmī-i Jiyūdīzī va Kārtūgrāfī
69
Dames & Moore
69
United States. Bureau of Land Management. California State Office
69
United States. Forest Service. Pacific Northwest Region
69
Afghan Geological Survey,
66
Scott, Glenn R., 1918-2012
66
Davis, Philip A. 1950-
64
Maryland Geological Survey
63
National Wildlife Refuge System (U.S.)
63
U.S. Task Force for Business and Stability Operations
62
United States. Bureau of Land Management. Oregon State Office,
62
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