Author
Geological Survey (U.S.)
9,227
United States. Bureau of Mines
2,550
United States. National Park Service
1,266
United States. Forest Service
970
U.S. Fish and Wildlife Service
944
United States. Central Intelligence Agency
871
United States. Bureau of the Census
725
United States. Bureau of Land Management
684
National Center for Education Statistics
644
United States. Bureau of Labor Statistics
568
National Institute of Justice (U.S.)
535
National Center for Health Statistics (U.S.)
478
United States. National Aeronautics and Space Administration
477
United States. National Park Service,
464
United States. Department of the Army
401
United States. Forest Service,
378
United States. Environmental Protection Agency
368
United States. Department of Education
366
United States. Internal Revenue Service
366
National Water-Quality Assessment Program (U.S.)
337
U.S. Atomic Energy Commission
318
United States. Environmental Protection Agency. Office of Research and Development
314
United States. Congress. Office of Technology Assessment
311
United States. Office of Juvenile Justice and Delinquency Prevention
297
United States. Forest Service. Pacific Northwest Region
292
Center of Military History
282
Rocky Mountain Research Station (Fort Collins, Colo.)
282
United States. National Highway Traffic Safety Administration
266
National Cancer Institute (U.S.)
264
United States. Bureau of Reclamation
264
United States. Food and Drug Administration
251
United States. Department of Energy
249
United States. Office of Educational Research and Improvement
249
United States. Bureau of Justice Statistics
248
United States. Department of State
235
Library of Congress
224
United States. Department of Housing and Urban Development
220
United States. Forest Service. Southwestern Region
216
National Institutes of Health (U.S.)
213
United States. Department of Agriculture
212
United States. Soil Conservation Service
206
Risk Reduction Engineering Laboratory (U.S.)
196
United States. Social Security Administration
195
Intermountain Research Station (Ogden, Utah)
187
United States. Forest Service. Intermountain Region
185
National Agricultural Library (U.S.)
181
United States. Forest Service. Southern Region
175
United States. Natural Resources Conservation Service
170
United States. Department of the Interior
168
United States. Bureau of Justice Assistance
161
more ...