Creator
- Oregon State University. Agricultural Experiment Station982
- Oregon State University. Extension Service953
- Forest Products Laboratory (U.S.)918
- Oregon State College. Agricultural Experiment Station442
- Oregon State University. Forest Research Laboratory208
- Oregon State College. Federal Cooperative Extension Service202
- Oregon. State Game Commission190
- Oregon Agricultural College. Experiment Station167
- Oregon. Department Of Fish And Wildlife161
- Oregon. Dept. Of Geology And Mineral Industries141
- United States. Bureau Of Land Management129
- Oregon State Agricultural College. Agricultural Experiment Station121
- Klamath Falls Resource Area112
- Oregon State University. Water Resources Research Institute111
- Oregon. Fish Commission107
- U.S. International Biological Program. Coniferous Forest Biome107
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)99
- Et Al.92
- Oregon State College. Extension Service91
- United States. Forest Service88