Creator
- Oregon State University. Extension Service407
- Oregon State University. Agricultural Experiment Station329
- Oregon. Dept. Of Geology And Mineral Industries135
- Forest Products Laboratory (U.S.)115
- Oregon. Department Of Fish And Wildlife82
- Oregon State University. Extension Service/Marine Advisory Program76
- Oregon. State Game Commission72
- Oregon State University. Water Resources Research Institute71
- Oregon State University. Forest Research Laboratory69
- Oregon State University. College Of Forestry65
- United States. Agricultural Research Service63
- Institute For Natural Resources59
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)59
- United States. Forest Service48
- Et Al.46
- Oregon State College. Agricultural Experiment Station44
- Pacific Northwest Cooperative Extension39
- Oregon State College. Federal Cooperative Extension Service38
- Oregon State University. Engineering Experiment Station34
- Oregon State College. Extension Service33