- Oregon State University. Extension Service[remove]556
- Pacific Northwest Cooperative Extension33
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase30
- Oregon State University. Agricultural Experiment Station25
- United States. Department Of Agriculture23
- Washington State University. Cooperative Extension23
- Washington State University. Extension23
- University Of Idaho. Cooperative Extension Service20
- University Of Idaho. Extension18
- Hart, John M. (John Mervyn), 1947 14
- Karow, Russell S.14
- Pscheidt, Jay W.14
- Ruttle, Marilyn14
- Pease, James R. (James Robert)12
- Valde, Gary12
- Fisher, Glenn C.11
- Sullivan, Dan M. (Dan Matthew), 1954 11
- Weber, Bruce A.11
- Burt, Lawrence A.10
- Huddleston, J. H. (James Herbert), 1942 10