Creator
- Oregon State University. Extension Service1,397
- Forest Products Laboratory (U.S.)1,252
- Oregon State University. Agricultural Experiment Station990
- Oregon State College. Agricultural Experiment Station424
- Oregon State College. Federal Cooperative Extension Service385
- Oregon. State Game Commission334
- Oregon. Department Of Fish And Wildlife265
- Oregon State University251
- Oregon State University. Forest Research Laboratory222
- Oregon Agricultural College. Experiment Station200
- Et Al.181
- Oregon. Dept. Of Geology And Mineral Industries181
- United States. Bureau Of Land Management172
- Klamath Falls Resource Area158
- Oregon State Agricultural College. Agricultural Experiment Station157
- U.S. International Biological Program. Coniferous Forest Biome154
- United States. Forest Service. Northern Region. State & Private Forestry149
- Oregon State University. Cooperative Extension Service125
- Oregon. Fish Commission125
- United States. Forest Service122