Creator
- Oregon State University. Extension Service312
- Forest Products Laboratory (U.S.)279
- Oregon State University. Agricultural Experiment Station271
- Oregon State University180
- Oregon. Department Of Fish And Wildlife126
- Oregon. State Game Commission126
- Oregon. Dept. Of Geology And Mineral Industries87
- Oregon State University. Forest Research Laboratory76
- United States. Bureau Of Land Management72
- Et Al.66
- Klamath Falls Resource Area64
- Oregon State University. Water Resources Research Institute63
- Oregon State University. College Of Forestry61
- United States. Forest Service60
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)47
- Lane County Historical Society (Or.)45
- Oregon State College. Extension Service44
- Oregon. Fish Commission44
- Oregon State College. Agricultural Experiment Station43
- Oregon Agricultural College. Experiment Station42