Creator
- Oregon State University. Extension Service730
- Oregon State College. Agricultural Experiment Station232
- Oregon State University. Agricultural Experiment Station227
- Pacific Northwest Cooperative Extension108
- Oregon State College. Federal Cooperative Extension Service90
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)83
- United States. Department Of Agriculture71
- Oregon State University. Cooperative Extension Service68
- Washington State University. Extension65
- University Of Idaho. Extension56
- Oregon State University. Extension Service/Marine Advisory Program55
- University Of Idaho. Cooperative Extension Service52
- Washington State University. Cooperative Extension50
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase45
- Upper Willamette Resource Conservation And Development Project36
- Oregon. Forest Lands Research Center, Corvallis35
- Hart, John M. (John Mervyn), 1947 32
- Moravets, F. L.32
- United States. Forest Service32
- Schmall, Vicki L.29