Creator
- Oregon State University. Extension Service828
- Oregon State University. Agricultural Experiment Station786
- Forest Products Laboratory (U.S.)278
- Oregon State University254
- Oregon. State Game Commission241
- Oregon State College. Agricultural Experiment Station233
- Oregon State University. Forest Research Laboratory184
- Oregon. Dept. Of Geology And Mineral Industries175
- Oregon State College. Federal Cooperative Extension Service155
- Oregon Agricultural College. Experiment Station151
- Oregon. Department Of Fish And Wildlife137
- Oregon State Agricultural College. Agricultural Experiment Station129
- Et Al.113
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)105
- U.S. International Biological Program. Coniferous Forest Biome103
- Oregon State University. College Of Forestry89
- Oregon State University. Water Resources Research Institute88
- Oregon State College. Extension Service87
- United States. Agricultural Research Service76
- University Of Washington73