Contributor
- Hoffman, E. N.2
- Horner, C. E.2
- Houtman, Nick2
- Knapp, S. E.2
- Kulm, Sally2
- Mack, H. J.2
- Mccauley, James E.2
- Morford, Shawn2
- Oregon State University. Extension Service2
- Pacific Northwest Cooperative Extension2
- Pearcy, William G.2
- Pumphrey, F. V. (Floyd Vance)2
- Renfro, William C.2
- Reynolds, Guy E.2
- Rosin, Leah2
- Shock, Clinton C.2
- Turner, R. S.2
- Vaughan, E. K.2
- Vavra, Martin2
- Weber, Dale W.2