Creator
- Forest Products Laboratory (U.S.)977
- Oregon State University. Extension Service923
- Oregon State University. Agricultural Experiment Station907
- Oregon State College. Agricultural Experiment Station352
- Oregon. State Game Commission249
- Oregon State University241
- Oregon State College. Federal Cooperative Extension Service236
- Oregon State University. Forest Research Laboratory236
- Oregon. Department Of Fish And Wildlife217
- Oregon Agricultural College. Experiment Station196
- Oregon. Dept. Of Geology And Mineral Industries165
- Oregon State Agricultural College. Agricultural Experiment Station154
- U.S. International Biological Program. Coniferous Forest Biome143
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)115
- United States. Forest Service. Northern Region. State & Private Forestry115
- Oregon. Fish Commission113
- University Of Washington110
- United States. Forest Service107
- Oregon State University. Water Resources Research Institute105
- Oregon State College. Extension Service104