Creator
- Forest Products Laboratory (U.S.)267
- Oregon State University. Extension Service132
- Oregon State University109
- Oregon State College. Agricultural Experiment Station101
- Oregon State University. Agricultural Experiment Station101
- Oregon. Department Of Fish And Wildlife40
- Oregon. State Game Commission38
- Oregon Agricultural College. Experiment Station37
- Oregon State College. Federal Cooperative Extension Service36
- Oregon State University. Water Resources Research Institute33
- Oregon State Agricultural College. Agricultural Experiment Station28
- Oregon State University. College Of Forestry26
- Oregon. Fish Commission25
- United States. Forest Service25
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)24
- Oregon State University. Forest Research Laboratory23
- Oregon. State Game Commission. Fishery Division23
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club23
- Et Al.22
- Oregon State College. Extension Service21