Creator
- Oregon State University. Extension Service837
- Oregon State College. Agricultural Experiment Station254
- Oregon State College. Federal Cooperative Extension Service137
- Pacific Northwest Cooperative Extension124
- Oregon State University. Agricultural Experiment Station95
- Oregon State University. Cooperative Extension Service93
- United States. Department Of Agriculture87
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)84
- Washington State University. Cooperative Extension69
- University Of Idaho. Cooperative Extension Service67
- Washington State University. Extension66
- United States. Forest Service57
- University Of Idaho. Extension57
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase44
- Hart, John M. (John Mervyn), 1947 43
- Gardner, Ernest Hugh42
- Oregon State University. Extension Service/Marine Advisory Program42
- Brook, Edward J.38
- Upper Willamette Resource Conservation And Development Project38
- Chelton, Dudley B.33