Creator
- Oregon State University. Agricultural Experiment Station215
- Forest Products Laboratory (U.S.)80
- Oregon. Dept. Of Geology And Mineral Industries65
- James, Robert L.46
- Fleischbein, Jane44
- Oregon State University. Water Resources Research Institute43
- Oregon State University. Extension Service40
- United States. Forest Service. Northern Region40
- Huyer, Adriana, 1945 35
- U.S. International Biological Program. Coniferous Forest Biome35
- Oregon. Fish Commission32
- Smith, Robert L. (Robert Lloyd), 1935 32
- United States. Forest Service. Northern Region. State & Private Forestry32
- United States. Agricultural Research Service31
- Columbia Basin Agricultural Research Center29
- Western Dry Kiln Clubs28
- Oregon State University. Forest Research Laboratory27
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)27
- Kosro, P. Michael, 1951 25
- University Of Washington24