- Oregon State University. Agricultural Experiment Station97
- Fleischbein, Jane31
- Smith, Robert L. (Robert Lloyd), 1935 28
- Wheeler, Patricia A.28
- Huyer, Adriana, 1945 27
- Kosro, P. Michael, 1951 26
- Oregon State University. Extension Service21
- Oregon. Dept. Of Geology And Mineral Industries21
- Peterson, W. T.20
- Barth, Jack A.19
- U.S. International Biological Program. Coniferous Forest Biome19
- Oregon State University. Malheur Experiment Station17
- United States. Agricultural Research Service16
- Oregon State University. Water Resources Research Institute14
- Oregon State University. Forest Research Laboratory13
- Sherr, Barry F.13
- Sherr, Evelyn13
- Columbia Basin Agricultural Research Center12
- Wyatt, Bruce9
- Milota, Michael R.8