Creator
- Oregon State University. Extension Service490
- Oregon State College. Agricultural Experiment Station135
- Pacific Northwest Cooperative Extension78
- Oregon State University. Agricultural Experiment Station72
- United States. Department Of Agriculture50
- Oregon State University. Cooperative Extension Service41
- Washington State University. Cooperative Extension40
- University Of Idaho. Cooperative Extension Service39
- Oregon State College. Federal Cooperative Extension Service37
- Washington State University. Extension37
- University Of Idaho. Extension33
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)32
- Southwest Oregon Forestry Intensified Research Program. Adaptive Phase29
- Upper Willamette Resource Conservation And Development Project29
- United States. Forest Service28
- Oregon Agricultural College. Experiment Station27
- Oregon State University. Extension Service/Marine Advisory Program25
- Schmall, Vicki L.20
- Weber, Bruce A.20
- United States. Division Of Forestry17