- Oregon State University. Forest Research Laboratory22
- Forest Products Laboratory (U.S.)15
- Oregon State University. Agricultural Experiment Station12
- Hann, David W.11
- Oregon State University. Extension Service10
- Mack, H. J.9
- Paul, Benson H.8
- Hanus, Mark L.7
- U.S. International Biological Program. Coniferous Forest Biome7
- Baggett, James R.6
- Crowell, H. H.6
- University Of Washington6
- Frazier, W. A.5
- Marshall, David D.5
- Ritchie, Martin W.4
- Bullock, Richard M. (Richard Melvin), 1918 3
- Oregon State College. Agricultural Experiment Station3
- Oregon. Fish Commission3
- Skinkis, Patricia A.3
- Banados, Maria Pilar2