- Oregon State University. Extension Service887
- Pacific Northwest Cooperative Extension58
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase44
- United States. Department Of Agriculture41
- Washington State University. Cooperative Extension41
- Hart, John M. (John Mervyn), 1947 36
- Brewer, Linda J.34
- University Of Idaho. Cooperative Extension Service31
- Washington State University. Extension30
- Strik, Bernadine C. (Bernadine Cornelia), 1962 26
- University Of Idaho. Extension24
- Bondi, Michael C.22
- Burt, Lawrence A.21
- Castagnoli, S.20
- Huddleston, J. H. (James Herbert), 1942 20
- Cook, Thomas W.19
- Fletcher, Richard A.19
- Gamroth, Michael J.19
- Olsen, Jeff L.19
- Andrews, N. (Nick)18