- Oregon State University. Extension Service5
- Advisory Committee To The State Land Board3
- Hamilton, Stanley F.3
- Beaulieu, John D.1
- Bogart, Ralph, 1908 1
- Brown, Kenneth N.1
- Capizzi, Joseph1
- Cruickshank, E. Douglas1
- Frischknecht, W. Dean1
- Goldman, Charles Remington, 1930 1
- Goulding, R. L.1
- Groder, Roland H.1
- Harr, R. Dennis1
- Krygier, James T.1
- Landers, John H. (John Herbert), 1921 1
- Lavender, Denis P.1
- Oregon State University. Agricultural Experiment Station1
- Oregon State University. Federal Cooperative Extension Service1
- Oregon State University. Forest Research Laboratory1
- Oregon. Dept. Of Geology And Mineral Industries1