Author
Geological Survey (U.S.)
524
Geological Survey (U.S.),
388
United States. Forest Service. Pacific Northwest Region
161
United States. Forest Service,
116
United States. Bureau of Land Management
101
U.S. Fish and Wildlife Service
82
United States. Forest Service
75
United States. Bureau of Land Management,
70
Pacific Northwest Research Station (Portland, Or.)
62
United States. Congress. Senate. Committee on Energy and Natural Resources
55
United States. Bureau of Land Management. Oregon State Office
47
United States. Bureau of Reclamation
45
United States. Army. Corps of Engineers
42
United States. Bureau of Land Management. Oregon State Office,
41
Oregon. Department of Geology and Mineral Industries
36
United States. Forest Service. Pacific Northwest Region,
36
National Operations Center (U.S.),
35
Oregon. Water Resources Department
33
United States. Congress. House. Committee on Resources
31
Evans, James George, 1938-
29
United States. Bureau of Land Management. Salem District
28
United States. Congress. Senate. Committee on Energy and Natural Resources,
28
Pacific Northwest Research Station (Portland, Or.),
26
United States. Bureau of Land Management. Prineville District
25
National Operations Center (U.S.)
24
United States. Bureau of Land Management. Lakeview District
22
United States. Bureau of Land Management. Medford District
22
United States. Congress. House. Committee on Natural Resources,
22
U.S. Fish and Wildlife Service. Region 1
20
United States. Bureau of Land Management. Coos Bay District
20
United States. Bureau of Land Management. Burns District
19
Walker, George Walton, 1921-
19
National Water-Quality Assessment Program (U.S.)
18
Oregon. Department of Environmental Quality
17
United States. Bureau of Mines
17
Portland (Or.). Water Bureau
16
United States. Bureau of Land Management. Eugene District
16
United States. Bureau of Land Management. Roseburg District Office
16
Washington County (Or.). Unified Sewerage Agency
16
Prairie City Ranger District (Or.),
15
Rounds, Stewart,
15
United States. Bureau of Land Management. Klamath Falls Resource Area Office
15
Mt. Hood National Forest (Agency : U.S.),
14
Rounds, Stewart
14
United States,
14
United States. National Park Service
14
Wood, Tamara M.,
14
Douglas County (Or.)
13
United States. Bureau of Land Management. Medford District,
13
Vander Meulen, Dean B.
13
more ...