Creator
- Oregon State University. Agricultural Experiment Station256
- Oregon State University. Extension Service196
- Oregon State University74
- Oregon State University. College Of Forestry66
- Oregon State University. Forest Research Laboratory56
- Oregon. Dept. Of Geology And Mineral Industries52
- Brodeur, Richard D.45
- Oregon State College. Agricultural Experiment Station39
- U.S. International Biological Program. Coniferous Forest Biome37
- Oregon State University. Engineering Experiment Station32
- Columbia Basin Agricultural Research Center31
- Oregon State University. Water Resources Research Institute31
- United States. Agricultural Research Service31
- Et Al.29
- Hatfield Marine Science Center28
- Forest Products Laboratory (U.S.)27
- Oregon. Department Of Fish And Wildlife25
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)25
- University Of Washington25
- United States. Forest Service24