Author
United States. Forest Service. Pacific Northwest Region
14
United States. Forest Service
3
Cole, David N.
2
Pacific Northwest Research Station (Portland, Or.)
2
Bedard, William D.
1
Columbia River Gorge Commission
1
Felix, E. N.
1
Fowler, W. B. 1930-
1
Fredriksen, R. L.
1
Hall, Troy Elizabeth
1
Hall, Wade B.
1
Helvey, J. D.
1
Hemstrom, Miles A.
1
Intermountain Research Station (Ogden, Utah)
1
Jackson County (Or.). Roads and Parks Services
1
Johnson, Charles G.
1
Logan, Sheila E.
1
National Collection of Fine Arts (U.S.)
1
Oregon State University
1
Portland Art Museum (Or.)
1
Reid, Elbert H. 1912-1992
1
Rogue River Basin Project, Oregon (U.S.). Talent Division
1
Schultz, David E.
1
Seattle Art Museum
1
Struble, George R., 1904-
1
United States. Bureau of Land Management
1
United States. Bureau of Land Management. Burns District,
1
United States. Bureau of Land Management. Klamath Falls Resource Area Office
1
United States. Bureau of Land Management. Oregon State Office
1
United States. Bureau of Land Management. Vale District,
1
United States. Bureau of Reclamation. Lower Columbia Area Office
1
United States. Department of Agriculture
1
United States. Soil Conservation Service
1
Wallowa-Whitman National Forest (Agency : U.S.)
1