- Wyatt, Bruce16
- U.S. International Biological Program. Coniferous Forest Biome12
- Bayer, Range D., 1947 8
- Gilbert, William E.8
- Oregon State University. Agricultural Experiment Station8
- Oregon State University. Water Resources Research Institute8
- Oregon. Dept. Of Geology And Mineral Industries7
- Journal Of Oregon Ornithology6
- Barstow, Dennis5
- E & S Environmental Chemistry, Inc.4
- Gessel, Stanley P.4
- Gilbert, William4
- Kujala, Norman F.4
- Oregon. State Game Commission4
- Raymond, Richard B.4
- Sullivan, Timothy J.4
- Forest Products Laboratory (U.S.)3
- Gard, Steve R.3
- Levine, Murray D.3
- Mason, Ralph S.3