Creator
- Oregon State University. Extension Service295
- Oregon State University. Agricultural Experiment Station279
- Oregon State University209
- Oregon State University. Forest Research Laboratory93
- Et Al.74
- Oregon State University. College Of Forestry71
- Oregon State University. Water Resources Research Institute55
- United States. Agricultural Research Service54
- Forest Products Laboratory (U.S.)49
- Hannaway, D. B.44
- Bragg, David E.43
- Oregon. Dept. Of Geology And Mineral Industries40
- Institute For Natural Resources39
- Lane County Historical Society (Or.)39
- U.S. International Biological Program. Coniferous Forest Biome37
- United States. Forest Service37
- Mcguire, William S.36
- Oregon State College. Agricultural Experiment Station36
- Oregon. Department Of Fish And Wildlife33
- Hann, David W.32