Creator
- Oregon State University. Extension Service452
- Forest Products Laboratory (U.S.)435
- Oregon State University. Agricultural Experiment Station287
- Oregon State University. Forest Research Laboratory224
- Oregon. State Game Commission172
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)116
- Oregon. Dept. Of Geology And Mineral Industries93
- Oregon State College. Agricultural Experiment Station91
- Western Dry Kiln Clubs90
- Oregon State University. College Of Forestry88
- Oregon State University87
- United States. Forest Service. Northern Region. State & Private Forestry87
- U.S. International Biological Program. Coniferous Forest Biome82
- United States. Forest Service79
- Morrell, Jeffrey J.71
- Oregon. Department Of Fish And Wildlife61
- Oregon State College. Federal Cooperative Extension Service57
- University Of Washington57
- United States. Forest Service. Northern Region53
- Institute For Natural Resources47