Creator
- Oregon State University. Extension Service260
- Oregon. State Game Commission154
- Oregon State University151
- Oregon State University. Agricultural Experiment Station115
- Oregon State Agricultural College. Agricultural Experiment Station79
- Forest Products Laboratory (U.S.)76
- Oregon State College. Agricultural Experiment Station73
- Oregon State University. Cooperative Extension Service57
- Oregon State University. College Of Forestry43
- Oregon. Dept. Of Geology And Mineral Industries42
- Et Al.35
- Lane County Historical Society (Or.)32
- Oregon. Department Of Fish And Wildlife29
- Spatafora, Joseph W.29
- Oregon State University. Forest Research Laboratory27
- United States. Agricultural Research Service27
- Columbia Basin Agricultural Research Center26
- Oregon State University. Engineering Experiment Station26
- Pacific Northwest Cooperative Extension26
- Oregon. Fish Commission24