Author
Geological Survey (U.S.)
1,311
United States. Bureau of Land Management
647
National Operations Center (U.S.)
461
United States. Bureau of Land Management,
364
National Operations Center (U.S.),
361
Geological Survey (U.S.),
217
National Science and Technology Center (U.S.)
139
United States. Defense Mapping Agency. Hydrographic/Topographic Center
126
United States. Bureau of Land Management. Montana State Office
114
United States. Bureau of Land Management. New Mexico State Office
101
United States. Bureau of Land Management. Colorado State Office
87
United States. Bureau of Land Management. Wyoming State Office
82
United States. Bureau of Land Management. Oregon State Office,
61
United States. Bureau of Land Management. Montana State Office,
56
United States. Bureau of Land Management. Oregon State Office
53
United States. Bureau of Land Management. California State Office,
45
United States. Bureau of Land Management. Arizona State Office
44
United States. Bureau of Land Management. Nevada State Office
44
United States. Forest Service,
44
United States. Bureau of Land Management. California State Office
41
United States. Bureau of Land Management. Arizona State Office,
36
United States. Bureau of Land Management. New Mexico State Office,
35
United States. Bureau of Land Management. Idaho State Office
33
United States. Bureau of Land Management. Utah State Office
29
United States. Bureau of Land Management. Colorado State Office,
28
National Applied Resource Sciences Center (U.S.)
27
United States. Bureau of Land Management. Nevada State Office,
25
United States. Bureau of Land Management. Wyoming State Office,
24
United States. Bureau of Land Management. Idaho State Office,
23
United States. Bureau of Land Management. Utah State Office,
23
United States. Defense Mapping Agency
14
United States. National Ocean Service
14
United States. Bureau of Land Management. California Desert District
11
Tennessee Valley Authority
6
Calver, James L.
3
National Ocean Survey
3
Georgia
2
U.S. Atomic Energy Commission
2
United States. Department of Defense
2
United States. Forest Service
2
United States. Soil Conservation Service
2
China. Guo jia ce hui ju
1
National Science and Technology Center (U.S.),
1
Tennessee Valley Authority. Maps and Surveys Branch
1
U.S. Coast and Geodetic Survey
1
United States. Bureau of Land Management. California Desert District,
1
United States. Minerals Management Service
1
Virginia. Division of Mineral Resources
1