Creator
- Oregon State University. Agricultural Experiment Station168
- Oregon State University146
- Oregon State University. Extension Service92
- Et Al.68
- Oregon State College. Agricultural Experiment Station51
- Oregon State University. College Of Forestry50
- Oregon State University. Forest Research Laboratory45
- U.S. International Biological Program. Coniferous Forest Biome40
- United States. Agricultural Research Service38
- United States. Bureau Of Land Management32
- Oregon State University. Malheur Experiment Station30
- Klamath Falls Resource Area29
- Tunnock, Scott29
- United States. Forest Service. Northern Region. State & Private Forestry29
- Forest Products Laboratory (U.S.)28
- Oregon. Department Of Fish And Wildlife27
- Oregon. Dept. Of Geology And Mineral Industries27
- Baker, C. Scott26
- Lane County Historical Society (Or.)26
- University Of Washington26