Creator
- Oregon State University. Extension Service269
- Oregon State University. Agricultural Experiment Station253
- Oregon. State Game Commission198
- Forest Products Laboratory (U.S.)151
- Oregon State Agricultural College. Agricultural Experiment Station127
- Oregon State University110
- Oregon State College. Agricultural Experiment Station105
- Oregon. Department Of Fish And Wildlife104
- Oregon Agricultural College. Experiment Station89
- Oregon State University. Forest Research Laboratory84
- Oregon State University. College Of Forestry68
- Et Al.66
- Oregon State College. Extension Service57
- Oregon State College. Federal Cooperative Extension Service56
- Oregon. Fish Commission56
- Oregon. Dept. Of Geology And Mineral Industries55
- Oregon State University. Water Resources Research Institute48
- Institute For Natural Resources45
- United States. Forest Service45
- United States. Agricultural Research Service44