- Angima, S. D.8
- Campbell, Steve8
- Dobkowski, Alexander8
- Grizzel, Jeffrey D.8
- Harrison, Robert B.8
- Heninger, Ronald L.8
- Maguire, Douglas A. (Douglas Alan)8
- Miller, Richard E.8
- Oregon State University. Extension Service8
- Page Dumroese, Deborah S.8
- Scott, William8
- Terry, Thomas A.8
- Zabowski, D.8
- Clark, William C.4