- United States. Bureau Of Land Management320
- Klamath Falls Resource Area315
- Western Dry Kiln Association91
- Oregon State University. Agricultural Experiment Station42
- Wheeler, Patricia A.27
- Huyer, Adriana, 1945 25
- Smith, Robert L. (Robert Lloyd), 1935 25
- United States. Forest Health Protection25
- Fleischbein, Jane24
- Kosro, P. Michael, 1951 24
- United States. Forest Service. Northern Region24
- Oregon State University. Forest Research Laboratory22
- Institute For Natural Resources19
- Sanderson, Rebecca A.19
- Peterson, W. T.18
- Barth, Jack A.17
- Western Dry Kiln Association. Meeting (57th : 2007)17
- Damiran, Daalkhaijav16
- Oregon State University. Extension Service16
- Western Dry Kiln Association. Meeting (52nd : 2001 : Reno, Nev.)16