Creator
- Oregon State University. Extension Service987
- Forest Products Laboratory (U.S.)977
- Oregon State University. Agricultural Experiment Station935
- Oregon State College. Agricultural Experiment Station355
- Oregon. State Game Commission249
- Oregon State University248
- Oregon State University. Forest Research Laboratory244
- Oregon State College. Federal Cooperative Extension Service236
- Oregon. Department Of Fish And Wildlife217
- Oregon Agricultural College. Experiment Station197
- Et Al.186
- Oregon. Dept. Of Geology And Mineral Industries165
- Oregon State Agricultural College. Agricultural Experiment Station155
- U.S. International Biological Program. Coniferous Forest Biome143
- Oregon State University. Water Resources Research Institute129
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)116
- United States. Forest Service. Northern Region. State & Private Forestry115
- Oregon. Fish Commission113
- University Of Washington110
- United States. Forest Service109