Creator
- Oregon State University. Extension Service301
- Oregon State University. Agricultural Experiment Station254
- Oregon State University202
- Oregon State University. Forest Research Laboratory85
- Oregon State University. College Of Forestry82
- Et Al.68
- United States. Agricultural Research Service54
- Oregon State University. Water Resources Research Institute49
- Lane County Historical Society (Or.)41
- Forest Products Laboratory (U.S.)40
- Oregon. Dept. Of Geology And Mineral Industries40
- Bragg, David E.39
- Institute For Natural Resources36
- Williams, David E.35
- Hann, David W.34
- Rupp, David E.34
- Oregon. Department Of Fish And Wildlife33
- United States. Forest Service33
- Meinzer, Frederick C.32
- Oregon State College. Agricultural Experiment Station32