Creator
- Oregon State University. Extension Service650
- Oregon State University. Agricultural Experiment Station572
- Forest Products Laboratory (U.S.)514
- Oregon State College. Agricultural Experiment Station289
- Oregon State University. Forest Research Laboratory208
- Oregon State College. Federal Cooperative Extension Service166
- United States. Bureau Of Land Management135
- Klamath Falls Resource Area129
- Oregon State Agricultural College. Agricultural Experiment Station84
- Oregon State University. Water Resources Research Institute78
- Oregon State University. Dept. Of Computer Science70
- Institute For Natural Resources65
- U.S. International Biological Program. Coniferous Forest Biome64
- United States. Forest Service. Northern Region. State & Private Forestry64
- Oregon. Department Of Fish And Wildlife60
- Oregon. Forest Lands Research Center, Corvallis59
- Oregon State University. Cooperative Extension Service57
- Oregon. Fish Commission55
- United States. Forest Service53
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)52