Author
American Ornithologists' Union
19 results
Pacific Northwest Research Station (Portland, Or.)
19 results
Academy of Natural Sciences of Philadelphia
18 results
ProQuest (Firm)
14 results
United States. Forest Service
13 results
United States. Bureau of Land Management
12 results
Geological Survey (U.S.)
9 results
Cornell University. Laboratory of Ornithology
7 results
United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Fisheries and Wildlife Conservation and the Environment
7 results
Gehlbach, Frederick R., 1935-
5 results
Gutiérrez, Ralph J.
5 results
Ogle, Kathy Muller
5 results
Rocky Mountain Research Station (Fort Collins, Colo.)
5 results
U.S. Fish and Wildlife Service
5 results
United States. Congress. House. Committee on Agriculture. Subcommittee on Forests, Family Farms, and Energy
5 results
United States. Congress. House. Committee on Interior and Insular Affairs. Subcommittee on National Parks and Public Lands
5 results
Alcántara, Ricardo
4 results
Bull, Evelyn L.
4 results
Fisher, A. K. (Albert Kenrick), 1856-1948
4 results
Ganey, Joseph L.
4 results
Gusti, 1963-
4 results
Lesmeister, Damon B.
4 results
Library of Congress. Congressional Research Service
4 results
Marcot, Bruce G.
4 results
National Forest System (U.S.)
4 results
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Environmental Protection
4 results
Cannings, Richard J. (Richard James)
3 results
Carey, Andrew B.
3 results
Cooper Ornithological Society
3 results
Forsman, Eric D.
3 results
Henjum, Mark G.
3 results
Holt, D. W. (Denver W.)
3 results
Lear, Edward, 1812-1888
3 results
Lint, Joseph
3 results
Marshall, Joe Truesdell, 1918-
3 results
NetLibrary, Inc
3 results
Northern Arapaho Tribe
3 results
Northwest Forest Plan (U.S.)
3 results
Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
3 results
Rapp, Valerie
3 results
Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
3 results
Shoshone Tribe of the Wind River Reservation, Wyoming
3 results
Texas. Parks and Wildlife Department
3 results
Thomas, Jack Ward
3 results
United States. Department of the Interior
3 results
United States. Forest Service. Southwestern Region
3 results
United States. Interagency Scientific Committee
3 results
Weick, Friedhelm
3 results
Allen, Arthur W.
2 results
Angell, Tony
2 results
more…