Creator
- Oregon State University. Extension Service395
- Oregon State University. Agricultural Experiment Station144
- Oregon State College. Agricultural Experiment Station108
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)67
- Oregon State College. Federal Cooperative Extension Service59
- Pacific Northwest Cooperative Extension48
- United States. Department Of Agriculture47
- United States. Forest Service46
- Washington State University. Cooperative Extension42
- University Of Idaho. Cooperative Extension Service40
- Upper Willamette Resource Conservation And Development Project40
- Oregon. Forest Lands Research Center, Corvallis35
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase35
- Brook, Edward J.34
- Chelton, Dudley B.33
- Selker, John S.32
- Peterson, William T.30
- Haggerty, Roy28
- Moum, J. N.27
- Brodeur, Richard D.26