Creator
- James, Robert L.2
- Oregon State University. Extension Service2
- United States. Forest Health Protection2
- United States. Forest Service. Northern Region2
- Azarenko, A. N. (Anita Nina)1
- Boyd, Timothy John, 1958 20131
- Bristow, Pete1
- Broaddus, Andy1
- Capocelli, Renato M.1
- Cull, Paul, 1943 1
- Davenport, Joan1
- Defrancesco, Joseph T.1
- English, Marshall1
- Fisher, Glenn C.1
- Fitzpatrick, Sheila1
- Gard, Steve R.1
- Hart, John M. (John Mervyn), 1947 1
- Henderson, Deborah1
- Larson, Barbara1
- Levine, Murray D.1