Creator
- Oregon State University. Extension Service303
- Oregon State University. Agricultural Experiment Station261
- Oregon State University202
- Oregon State University. Forest Research Laboratory87
- Oregon State University. College Of Forestry82
- Et Al.66
- United States. Agricultural Research Service54
- Oregon State University. Water Resources Research Institute47
- Forest Products Laboratory (U.S.)45
- Lane County Historical Society (Or.)43
- Oregon. Dept. Of Geology And Mineral Industries43
- Bragg, David E.39
- Institute For Natural Resources35
- Williams, David E.35
- Hann, David W.34
- Oregon State College. Engineering Experiment Station34
- Oregon. Department Of Fish And Wildlife34
- Rupp, David E.34
- Oregon State College. Agricultural Experiment Station33
- Meinzer, Frederick C.32