- Oregon State University. Extension Service98
- Klamath Falls Resource Area35
- United States. Bureau Of Land Management35
- Partnership For The Umpqua Rivers20
- Western Dry Kiln Association16
- Western Dry Kiln Association. Meeting (56th : 2006 : Portland, Or.)16
- Oregon State University12
- Guyader, Olivier9
- Gartner, Barbara L.8
- Thebaud, Olivier8
- Hart, John M. (John Mervyn), 1947 7
- Wheeler, Patricia A.7
- Boock, Michael6
- Fisher, Glenn C.6
- Horneck, Donald Arthur6
- Institute For Natural Resources6
- Raab, Carolyn A.6
- Rhodes, Mary6
- Torres, Marta E.6
- Arnason, Ragnar5