- Oregon State University. Water Resources Research Institute18
- Miner, J. Ronald5
- Nelson, Peter O.3
- Oregon State University. Extension Service3
- Geological Survey (U.S.)2
- Oregon State University. Agricultural Experiment Station2
- Oregon. Dept. Of Environmental Quality2
- Scott, Eric F.2
- Vedanayagam, Samuel2
- Wood, Mary2
- Amaranthus, Michael P.1
- Arnold, Gary1
- Bacho, John P.1
- Berger, Christopher1
- Bonn, Bernadine A.1
- Brophy, Laura S.1
- Buerger, Chris1
- Bureau Of Land Management. Salem District1
- Cass, Penny L.1
- Chapman, Donal Wallace1