Creator
- Oregon State University. Extension Service253
- Forest Products Laboratory (U.S.)237
- Oregon State University. Agricultural Experiment Station185
- Oregon State College. Agricultural Experiment Station85
- Oregon State College. Federal Cooperative Extension Service64
- Oregon Agricultural College. Experiment Station46
- Oregon State University. Water Resources Research Institute44
- Oregon. Fish Commission43
- Oregon. Department Of Fish And Wildlife41
- Oregon. State Game Commission37
- Oregon State Agricultural College. Agricultural Experiment Station32
- Oregon State University. Forest Research Laboratory31
- United States. Forest Service30
- Oregon State College. Extension Service29
- Klingeman, Peter C.24
- Et Al.23
- Southern Oregon Agricultural Experiment Station23
- Oregon. State Game Commission. Fishery Division21
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)21
- Oregon State University19