Creator
- Oregon State University187
- Oregon State University. Agricultural Experiment Station160
- Oregon State University. Extension Service117
- Oregon State College. Agricultural Experiment Station53
- United States. Bureau Of Land Management45
- Klamath Falls Resource Area42
- Oregon State University. Forest Research Laboratory40
- Et Al.38
- U.S. International Biological Program. Coniferous Forest Biome38
- Oregon State University. College Of Forestry36
- Tunnock, Scott35
- United States. Forest Service. Northern Region. State & Private Forestry35
- Oregon State University. Malheur Experiment Station31
- United States. Agricultural Research Service31
- Baker, C. Scott29
- Lane County Historical Society (Or.)28
- Oregon. Dept. Of Geology And Mineral Industries24
- University Of Washington24
- Oregon State University. Water Resources Research Institute23
- Oregon. Department Of Fish And Wildlife23