Contributor
- Feibert, Erik B. G.2
- Frischknecht, W. Dean2
- Harma, Kirsten2
- Hatchett, Benjamin2
- Hill, David F.2
- Holz, Andres2
- Hutchinson, Rebecca A.2
- Isgor, O. Burkan2
- Ishida, Joey2
- Kennedy, Robert E.2
- Kennick, Walter H.2
- Leshchinsky, Ben2
- Loikith, Paul2
- Mcarthur, James A. B.2
- Mccauley, James E.2
- Meigs, Andrew J.2
- O'neill, Larry2
- Oregon State College. Federal Cooperative Extension Service2
- Osborne, James P.2
- Pacific Northwest Cooperative Extension2