Creator
- Oregon State University. Extension Service234
- Oregon State University. Agricultural Experiment Station175
- Oregon. Dept. Of Geology And Mineral Industries139
- Oregon. State Game Commission130
- Oregon State College. Extension Service110
- Oregon State University. College Of Forestry59
- Oregon. Department Of Fish And Wildlife56
- Oregon State University. Water Resources Research Institute55
- Oregon State University. Forest Research Laboratory44
- United States. Forest Service37
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase36
- United States. Agricultural Research Service35
- Institute For Natural Resources34
- Columbia Basin Agricultural Research Center30
- Oregon State College. Agricultural Experiment Station30
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)30
- Oregon State College. Federal Cooperative Extension Service29
- Mason, Ralph S.24
- Oregon State University24
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club22