- Oregon State University. Extension Service15
- Ruttle, Marilyn7
- Oregon State University. Forest Research Laboratory4
- U.S. International Biological Program. Coniferous Forest Biome3
- Valde, Gary3
- Clark, Robert G.2
- Hermann, Richard K.2
- Oregon State University. Agricultural Experiment Station2
- Oregon State University. Water Resources Research Institute2
- Scharback, Ron2
- Arthur J. Boucot1
- Atzet, Thomas1
- Barry, J. W.1
- Britton, C. M. (Carlton M.)1
- Brodie, J. Douglas (John Douglas), 1938 1
- Brown, Alfred T.1
- Brown, R. B.1
- Buhaly, Joseph1
- Burlison, Vernon1
- Calligan, C. C.1