Author
United States. National Park Service
240 results
United States. Congress. Senate. Committee on Energy and Natural Resources
95 results
United States. Congress. House. Committee on Resources
51 results
United States. National Park Service. Denver Service Center
43 results
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on National Parks
36 results
United States. General Accounting Office
36 results
United States. Forest Service
24 results
United States. Congress. House. Committee on Interior and Insular Affairs
18 results
Frome, Michael
15 results
International Union for Conservation of Nature and Natural Resources
15 results
United States. Congress. Senate. Committee on Energy and Natural Resources. Subcommittee on Public Lands, National Parks, and Forests
15 results
Yard, Robert Sterling, 1861-1945
15 results
United States. Congress. House. Committee on Resources. Subcommittee on National Parks, Recreation, and Public Lands
14 results
IUCN Commission on National Parks and Protected Areas
12 results
U.S. Fish and Wildlife Service
12 results
Butcher, Devereux
11 results
Runte, Alfred, 1947-
10 results
Social Science Program (U.S.)
10 results
United States. Congress. House. Committee on Government Reform. Subcommittee on Criminal Justice, Drug Policy, and Human Resources
10 results
National Park Foundation
9 results
United States. Congress. House. Committee on Natural Resources
9 results
United States. Forest Service. Intermountain Region
9 results
United States. Forest Service. Southwestern Region
9 results
Adams, Ansel, 1902-1984
8 results
Tilden, Freeman, 1883-1980
8 results
United States. Department of the Interior
8 results
United States. Forest Service. Northern Region
8 results
United States. Forest Service. Southern Region
8 results
United States. Heritage Conservation and Recreation Service
8 results
Albright, Horace M. (Horace Marden), 1890-1987
7 results
BRW Inc
7 results
Library of Congress. Congressional Research Service
7 results
Muir, John, 1838-1914
7 results
Story, Isabelle F. (Isabelle Florence), 1888-1970
7 results
Sierra Club
6 results
Sinotte, Barbara
6 results
Conservation Foundation
5 results
Geological Survey (U.S.)
5 results
McNeely, Jeffrey A.
5 results
National Parks Association (U.S.)
5 results
Nelson, James Gordon
5 results
Pacific Northwest Research Station (Portland, Or.)
5 results
Rand McNally and Company
5 results
Taylor, Frank J., 1894-1972
5 results
Harris, David V.
4 results
Melbo, Irving R. (Irving Robert), 1908-
4 results
Muench, David
4 results
National Geographic Book Service
4 results
National Geographic Society (U.S.)
4 results
National Parks and Conservation Association
4 results
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