Creator
- Oregon State University. Agricultural Experiment Station226
- Oregon State University. Extension Service131
- Oregon State College. Agricultural Experiment Station105
- Oregon State University. Forest Research Laboratory100
- Forest Products Laboratory (U.S.)75
- Oregon Agricultural College. Experiment Station69
- Oregon State Agricultural College. Agricultural Experiment Station66
- Oregon. Dept. Of Geology And Mineral Industries64
- Oregon. State Game Commission39
- Oregon. Department Of Fish And Wildlife37
- Oregon State College. Federal Cooperative Extension Service35
- United States. Agricultural Research Service35
- Oregon State University. Water Resources Research Institute30
- Oregon Agricultural Experiment Station29
- Columbia Basin Agricultural Research Center24
- Mumford, D. Curtis (Dwight Curtis), 1900 23
- United States. Forest Service23
- Institute For Natural Resources21
- U.S. International Biological Program. Coniferous Forest Biome19
- Hann, David W.18