Creator
- Oregon State University. Extension Service768
- Oregon State University. Agricultural Experiment Station420
- Oregon State University229
- Oregon State University. Forest Research Laboratory141
- Oregon State College. Agricultural Experiment Station124
- Bragg, David E.110
- Oregon State University. College Of Forestry86
- Oregon State College. Federal Cooperative Extension Service83
- Et Al.77
- Forest Products Laboratory (U.S.)77
- United States. Forest Service76
- United States. Agricultural Research Service70
- U.S. International Biological Program. Coniferous Forest Biome60
- Oregon State University. Water Resources Research Institute59
- United States. Forest Service. Northern Region. State & Private Forestry54
- Institute For Natural Resources52
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)52
- Oregon. State Game Commission51
- Lane County Historical Society (Or.)49
- Oregon. Dept. Of Geology And Mineral Industries49