- Institute For Natural Resources11
- Oregon State University. Agricultural Experiment Station6
- Oregon State University. Extension Service6
- Bean, Daniel W.4
- Brauner, David R.4
- Davis, Loren G.4
- Nyers, Alexander J.4
- Symons, T. W. (Thomas William), 1849 19203
- United States. Army. Corps Of Engineers3
- Morace, Jennifer2
- Nelson, A. Gene2
- Oregon State University. Cooperative Extension Service2
- Vomocil, James A.2
- Besse, Ralph S. (Ralph Stephen), 1887 1
- Brown, Gordon G. (Gordon George), 1887 1
- Brown, William G. (William Galen)1
- Cook, Gordon Henry1
- Corp, Mary K.1
- Fromherz, Frank1
- Gee, C. Kerry1