Author
Geological Survey (U.S.),
17,782
Library of Congress. Congressional Research Service,
10,375
Geological Survey (U.S.)
6,150
United States,
3,233
National Renewable Energy Laboratory (U.S.),
2,513
Law Library of Congress (U.S.). Global Legal Research Directorate,
2,462
National Renewable Energy Laboratory (U.S.)
1,629
National Center for Health Statistics (U.S.),
1,299
United States. Department of Health and Human Services. Office of Inspector General,
1,213
United States. Department of State,
1,073
U.S. Fish and Wildlife Service
1,037
United States. Congress. House. Committee on Natural Resources,
980
United States. Department of State
976
United States. Bureau of Labor Statistics,
945
United States. Environmental Protection Agency. Office of Water
942
United States. Government Accountability Office
916
United States. Forest Service,
863
United States. Congress. Senate. Committee on Homeland Security and Governmental Affairs,
838
United States. Congress. Joint Committee on Taxation
808
United States. Environmental Protection Agency
789
United States. Congress. Senate. Committee on Energy and Natural Resources,
785
Library of Congress. Law Library,
762
United States. Congress. House. Committee on Rules
736
United States. Bureau of the Census
735
United States. National Park Service
622
United States. Environmental Protection Agency,
617
United States. Congress. House. Committee on Rules,
612
United States. Congressional Budget Office
603
United States. Congress. Senate. Committee on Energy and Natural Resources
588
United States. Congress. Senate. Committee on Commerce, Science, and Transportation,
584
United States. Congress. House. Committee on Financial Services,
575
United States. National Park Service. Natural Resource Stewardship and Science,
545
United States. Congress. House. Committee on Foreign Affairs,
544
United States. Congress. House. Committee on Energy and Commerce,
504
United States. Congress. Senate. Committee on Environment and Public Works,
501
United States. Congress. House. Committee on the Judiciary,
494
United States. Department of the Interior. Office of Inspector General,
494
United States
472
Army War College (U.S.). Strategic Studies Institute
466
United States. Department of Homeland Security. Office of Inspector General,
457
National Water-Quality Assessment Program (U.S.)
449
United States. Congress. Senate. Committee on Commerce, Science, and Transportation
446
United States. Congress. Senate. Committee on Foreign Relations
446
Library of Congress. Far Eastern Law Division,
442
United States. Department of Agriculture. Economic Research Service,
436
United States. National Park Service,
407
United States. Internal Revenue Service
404
United States. Congress. House. Committee on Homeland Security,
402
United States. Forest Service
396
United States. Congress. House. Committee on Transportation and Infrastructure,
392
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