Creator
- Oregon State University. Agricultural Experiment Station287
- Oregon State University. Extension Service272
- Oregon State University184
- Oregon. Dept. Of Geology And Mineral Industries164
- Oregon State College. Agricultural Experiment Station154
- Oregon State Agricultural College. Agricultural Experiment Station145
- Oregon Agricultural College. Experiment Station115
- Forest Products Laboratory (U.S.)91
- Et Al.85
- Oregon State University. Forest Research Laboratory79
- United States. Forest Service73
- Lane County Historical Society (Or.)72
- Oregon State University. College Of Forestry54
- Peterson, William T.48
- Oregon State College. Federal Cooperative Extension Service47
- Oregon. Department Of Fish And Wildlife47
- Oregon. State Game Commission47
- Oregon State College. Extension Service46
- United States. Agricultural Research Service46
- Pearcy, William G.42