Creator
- Oregon State University166
- Oregon State University. Agricultural Experiment Station163
- Oregon State University. Extension Service80
- Oregon State University. College Of Forestry53
- Oregon State College. Agricultural Experiment Station52
- Oregon State University. Forest Research Laboratory46
- U.S. International Biological Program. Coniferous Forest Biome36
- United States. Bureau Of Land Management36
- United States. Agricultural Research Service34
- Klamath Falls Resource Area33
- Oregon State University. Malheur Experiment Station29
- Oregon. Dept. Of Geology And Mineral Industries29
- Oregon State University. Water Resources Research Institute27
- Lane County Historical Society (Or.)24
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club24
- Forest Products Laboratory (U.S.)23
- Oregon State College. Extension Service23
- Oregon. Department Of Fish And Wildlife23
- Oregon. State Game Commission23
- Columbia Basin Agricultural Research Center22