Creator
- Oregon State University. Agricultural Experiment Station268
- Oregon State University. Extension Service148
- Oregon State Agricultural College. Agricultural Experiment Station146
- Oregon Agricultural College. Experiment Station137
- Oregon State College. Agricultural Experiment Station117
- Oregon State University99
- Oregon. State Game Commission74
- Oregon. Department Of Fish And Wildlife66
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)66
- Oregon State University. Forest Research Laboratory55
- United States. Agricultural Research Service46
- Forest Products Laboratory (U.S.)42
- Oregon. Dept. Of Geology And Mineral Industries41
- Oregon State College. Extension Service40
- United States. Bureau Of Land Management40
- United States. Forest Service38
- Oregon State University. College Of Forestry37
- Oregon State College. Federal Cooperative Extension Service35
- Klamath Falls Resource Area32
- Pacific Northwest Forest Experiment Station (Portland, Or.)29