Creator
- Oregon State University. Extension Service852
- Oregon State University. Agricultural Experiment Station599
- Oregon State College. Agricultural Experiment Station211
- Oregon. State Game Commission203
- Oregon State University. Forest Research Laboratory183
- Forest Products Laboratory (U.S.)182
- Oregon. Department Of Fish And Wildlife155
- Oregon. Dept. Of Geology And Mineral Industries150
- U.S. International Biological Program. Coniferous Forest Biome150
- Oregon State College. Federal Cooperative Extension Service128
- Pacific Northwest Cooperative Extension122
- University Of Washington121
- Oregon State University. Water Resources Research Institute111
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)110
- United States. Forest Service107
- United States. Department Of Agriculture98
- Oregon. Fish Commission84
- Oregon Agricultural College. Experiment Station82
- Institute For Natural Resources81
- Washington State University. Cooperative Extension80