Creator
- Oregon State University. Extension Service1,472
- Oregon State College. Agricultural Experiment Station462
- Oregon State University. Agricultural Experiment Station239
- Oregon State University. Cooperative Extension Service189
- Oregon State College. Federal Cooperative Extension Service168
- Pacific Northwest Cooperative Extension139
- United States. Department Of Agriculture107
- Washington State University. Cooperative Extension104
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)85
- University Of Idaho. Cooperative Extension Service85
- Oregon State University. Extension Service/Marine Advisory Program77
- United States. Forest Service64
- Oregon. Forest Lands Research Center, Corvallis59
- Gardner, Ernest Hugh49
- Upper Willamette Resource Conservation And Development Project47
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase45
- Allen, J. S.43
- Mote, Don C. (Don Carlos), 1887 42
- Jackson, T. L. (Thomas Lloyd), 1922 39
- Washington State University. Extension38