Creator
- Oregon State University. Extension Service2
- Aldrich Markham, Susan1
- Bousfield, Wayne E.1
- Dooling, Oscar J.1
- Kiemnec, Gary L.1
- Larson, Larry1
- Mcinnis, M.1
- Pacific Northwest Cooperative Extension1
- Sheley, R.1
- United States. Department Of Agriculture1
- United States. Forest Service. Northern Region. State & Private Forestry1
- University Of Idaho. Cooperative Extension System1
- Washington State University. Cooperative Extension1