Creator
- Oregon State University. Agricultural Experiment Station350
- Oregon State University. Extension Service271
- Oregon State University167
- Oregon State College. Agricultural Experiment Station72
- Oregon Agricultural Experiment Station68
- Forest Products Laboratory (U.S.)67
- Oregon State University. Forest Research Laboratory63
- Oregon. Dept. Of Geology And Mineral Industries59
- Oregon State University. College Of Forestry56
- Oregon. Department Of Fish And Wildlife52
- Brodeur, Richard D.47
- Et Al.44
- U.S. International Biological Program. Coniferous Forest Biome39
- United States. Forest Service39
- Oregon State University. Klamath Basin Research And Extension Center38
- Oregon State University. Water Resources Research Institute36
- United States. Agricultural Research Service34
- Lane County Historical Society (Or.)33
- Oregon State College. Extension Service32
- Oregon State University. Engineering Experiment Station32