Creator
- Oregon State University. Extension Service487
- Forest Products Laboratory (U.S.)428
- Oregon State University. Agricultural Experiment Station294
- Oregon State University. Forest Research Laboratory211
- Oregon. State Game Commission175
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)120
- United States. Forest Service. Northern Region. State & Private Forestry107
- Oregon. Dept. Of Geology And Mineral Industries96
- Oregon State College. Agricultural Experiment Station89
- Oregon State University88
- Oregon State University. College Of Forestry84
- United States. Forest Service81
- U.S. International Biological Program. Coniferous Forest Biome77
- Oregon. Department Of Fish And Wildlife74
- Western Dry Kiln Clubs74
- Morrell, Jeffrey J.66
- Oregon State College. Federal Cooperative Extension Service59
- United States. Forest Service. Northern Region57
- University Of Washington53
- Institute For Natural Resources49