Creator
- Oregon State University. Extension Service798
- Oregon State University. Agricultural Experiment Station459
- Oregon State University230
- Forest Products Laboratory (U.S.)144
- Oregon State University. Forest Research Laboratory143
- Oregon State College. Agricultural Experiment Station140
- Bragg, David E.110
- Oregon State University. College Of Forestry95
- Et Al.91
- Oregon State College. Federal Cooperative Extension Service89
- United States. Forest Service79
- United States. Agricultural Research Service71
- Oregon State University. Water Resources Research Institute67
- U.S. International Biological Program. Coniferous Forest Biome66
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)58
- Oregon Agricultural College. Experiment Station56
- Oregon. Department Of Fish And Wildlife55
- Oregon. State Game Commission55
- Institute For Natural Resources54
- United States. Forest Service. Northern Region. State & Private Forestry54