- Oregon State University. Agricultural Experiment Station35
- Oregon State University. Cooperative Extension Service35
- Oregon State University. Extension Service31
- Gardner, E. Hugh12
- Oregon. Dept. Of Geology And Mineral Industries12
- Oregon. State Game Commission12
- Western Dry Kiln Clubs12
- Western Dry Kiln Clubs. Meeting (21st : 1970 : Missoula, Mont.)12
- Wilder, Robert L.7
- Oregon. Fish Commission6
- Warren, Rex6
- United States. Forest Service5
- Coppedge, Robert O.4
- Every, R. W.4
- Larson, Douglas W. (Douglas William), 1949 4
- Martin, L. W.4
- Oregon State University. Extension Service/Marine Advisory Program4
- Oregon State University. Water Resources Research Institute4
- Oregon. Fish Commission. Research Division4
- Stebbins, Robert L.4