- Oregon State University. Extension Service350
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase26
- Huddleston, J. H. (James Herbert), 1942 15
- Brewer, Linda J.14
- Ruttle, Marilyn14
- Hart, John M. (John Mervyn), 1947 13
- Oregon State University. Agricultural Experiment Station13
- Pacific Northwest Cooperative Extension12
- Stephenson, Garry Owen12
- Valde, Gary12
- Burt, Lawrence A.10
- Conway, Flaxen D. L.10
- Corcoran, P. E. (Patrick E.)10
- Pease, James R. (James Robert)10
- University Of Idaho. Extension10
- Washington State University. Extension10
- Adams, Paul W.9
- Good, James W.9
- Cloughesy, Mike8
- Ellis Sugai, Barbara, 1957 8