Creator
- Oregon State University. Extension Service729
- Oregon State University. Agricultural Experiment Station513
- Forest Products Laboratory (U.S.)377
- United States. Bureau Of Land Management275
- Klamath Falls Resource Area259
- Oregon State University227
- Oregon State College. Agricultural Experiment Station176
- Oregon. Department Of Fish And Wildlife159
- Oregon State University. Forest Research Laboratory156
- Oregon. State Game Commission146
- Et Al.119
- Oregon State University. Water Resources Research Institute109
- Oregon. Dept. Of Geology And Mineral Industries98
- Oregon Agricultural College. Experiment Station93
- Institute For Natural Resources85
- U.S. International Biological Program. Coniferous Forest Biome82
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)81
- Oregon State College. Federal Cooperative Extension Service75
- United States. Forest Service68
- United States. Agricultural Research Service67