- Oregon State University. Department Of Crop Science33
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase32
- Jackman, E. R. (Edwin Russell), 1894 31
- Dalton, Meghan29
- Morrell, Jeffrey J.29
- Pacific Northwest Insect Management Conference28
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club28
- Hannaway, D. B.27
- Hart, John M. (John Mervyn), 1947 27
- Karow, Russell S.27
- Schuster, C. E. (Carl Ephraim), 1889 27
- Oregon State University. Air Resources Center26
- U.S. International Biological Program. Coniferous Forest Biome26
- Columbia River Gillnetter (Columbia River Fishermen's Protective Union)25
- Mote, Don C. (Don Carlos), 1887 25
- Potter, E. L. (Ermine Lawrence), 1884 25
- United States. Soil Conservation Service25
- Warren, Rex25
- Oregon. Fish Commission24
- Adams, Paul W.23