Creator
- Oregon State University. Extension Service984
- Oregon State University. Agricultural Experiment Station678
- Forest Products Laboratory (U.S.)570
- Oregon State College. Agricultural Experiment Station310
- Oregon State University. Forest Research Laboratory212
- Oregon State College. Federal Cooperative Extension Service167
- United States. Bureau Of Land Management137
- Klamath Falls Resource Area129
- Oregon Agricultural College. Experiment Station122
- Oregon State Agricultural College. Agricultural Experiment Station101
- Pscheidt, Jay W.89
- Oregon State University. Water Resources Research Institute77
- Oregon Agricultural College. Extension Service73
- Oregon. Department Of Fish And Wildlife71
- Pacific Northwest Cooperative Extension71
- Oregon State University. Dept. Of Computer Science70
- United States. Forest Service. Northern Region. State & Private Forestry70
- U.S. International Biological Program. Coniferous Forest Biome68
- United States. Forest Service68
- Oregon. Fish Commission66