Creator
- Oregon State University. Agricultural Experiment Station661
- Forest Products Laboratory (U.S.)515
- Oregon State University. Extension Service449
- Oregon State College. Agricultural Experiment Station240
- Oregon State University. Forest Research Laboratory155
- Oregon Agricultural College. Experiment Station95
- Oregon. Fish Commission83
- Oregon State University. Water Resources Research Institute81
- Oregon State Agricultural College. Agricultural Experiment Station74
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)74
- Oregon State University73
- U.S. International Biological Program. Coniferous Forest Biome72
- Oregon. Dept. Of Geology And Mineral Industries65
- United States. Agricultural Research Service62
- United States. Forest Service59
- Oregon. Department Of Fish And Wildlife58
- Oregon State College. Federal Cooperative Extension Service57
- Institute For Natural Resources51
- Oregon State University. Malheur Experiment Station50
- University Of Washington49