- Oregon State University. Extension Service37
- Oregon State University. Agricultural Experiment Station13
- Pacific Northwest Cooperative Extension11
- de Szoeke, Simon P.8
- United States. Department Of Agriculture8
- Peachey, Ronald Edward7
- University Of Idaho. Extension7
- Washington State University. Extension7
- Oregon. State Game Commission. Fishery Division5
- Pscheidt, Jay W.5
- University Of Idaho. Cooperative Extension Service5
- Doel, Ronald E.4
- Neilson, Ronald P.4
- United States. Forest Service4
- Washington State University. Cooperative Extension4
- Burkhardt, Brett C.3
- Burleyson, Casey D.3
- Hermann, Richard K.3
- Jarvis, Susan3
- Olsen, Jeff L.3