- Klamath Falls Resource Area38
- United States. Bureau Of Land Management38
- Oregon State University. Extension Service31
- Western Dry Kiln Association14
- Western Dry Kiln Association. Meeting (51st : 2000 : Reno, Nev.)14
- United States. Forest Health Protection13
- National Marine Fisheries Service, Northwest Region10
- United States. Forest Service. Northern Region10
- Oregon State University. Agricultural Experiment Station8
- Gardner, Ernest Hugh6
- James, Robert L.6
- Jackson, T. L. (Thomas Lloyd), 1922 5
- Kosro, P. Michael, 1951 5
- Oregon State University. Dept. Of Computer Science5
- Oregon State University. Forest Research Laboratory5
- Oregon. Department Of Fish And Wildlife5
- Smith, Robert L. (Robert Lloyd), 1935 5
- Wheeler, Patricia A.5
- Barth, Jack A.4
- Fleischbein, Jane4