Creator
- Oregon State University. Agricultural Experiment Station369
- Oregon State University. Extension Service328
- Oregon State University172
- Oregon State College. Agricultural Experiment Station121
- Oregon. Dept. Of Geology And Mineral Industries115
- Oregon Agricultural College. Experiment Station113
- Oregon State Agricultural College. Agricultural Experiment Station108
- Oregon State University. Forest Research Laboratory106
- Oregon. State Game Commission91
- Forest Products Laboratory (U.S.)74
- Et Al.64
- Oregon State University. College Of Forestry63
- Oregon. Department Of Fish And Wildlife59
- U.S. International Biological Program. Coniferous Forest Biome57
- Oregon State College. Extension Service53
- Lane County Historical Society (Or.)49
- Oregon State University. Water Resources Research Institute48
- Brodeur, Richard D.42
- United States. Bureau Of Land Management40
- University Of Washington40