Creator
- Oregon State University. Extension Service1,685
- Oregon State College. Agricultural Experiment Station485
- Pacific Northwest Cooperative Extension192
- Oregon State University. Cooperative Extension Service189
- Oregon State College. Federal Cooperative Extension Service168
- Oregon State University. Agricultural Experiment Station129
- United States. Department Of Agriculture122
- Washington State University. Cooperative Extension105
- Washington State University. Extension92
- University Of Idaho. Cooperative Extension Service88
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)85
- University Of Idaho. Extension81
- Oregon State University. Extension Service/Marine Advisory Program77
- United States. Forest Service64
- Oregon. Forest Lands Research Center, Corvallis59
- Gardner, Ernest Hugh49
- Mote, Don C. (Don Carlos), 1887 49
- Allen, J. S.48
- Hart, John M. (John Mervyn), 1947 47
- Upper Willamette Resource Conservation And Development Project47