Contributor
- West, William I.2
- Bell, John F.1
- Butzner, Polli1
- Davis, Kenneth P.1
- Dewolfe, Anita M.1
- Dilworth, J. R.1
- Oregon State College. Federal Cooperative Extension Service1
- Oregon State University. Cooperative Extension Service1
- Pacific Northwest Cooperative Extension1
- Pinchot, Gifford1
- Powell, Louis W.1
- Thomas, Alison1
- University Of Idaho. Cooperative Extension Service1
- Yoder, Ray A.1