- Oregon State University. Water Resources Research Institute13
- Oregon. State Water Resources Board12
- United States. Soil Conservation Service11
- United States. Department Of Agriculture. Economic Research Service9
- United States. Forest Service9
- Upper Willamette Resource Conservation And Development Project8
- Usda Field Advisory Committee7
- Usda Oregon River Basin Survey Party7
- Klingeman, Peter C.3
- Busse, Katherine M.2
- Oregon State University Extension Service. Resource Conservation And Development Project Office2
- Ralphs, H. H.2
- Blackwell, David D.1
- Bond, Carl E.1
- Bowen, Richard G.1
- Brown, Carl, 1935 1
- Carnahan, H. E.1
- Claeyssens, Paul G.1
- Doniger, Alison R.1
- Doubleday, D. Jay (Douglas Jay)1