Creator
- Oregon State University. Extension Service241
- Oregon State University. Agricultural Experiment Station229
- Oregon State University227
- Forest Products Laboratory (U.S.)118
- Oregon. Department Of Fish And Wildlife77
- Oregon State Agricultural College. Extension Service74
- Oregon State College. Extension Service69
- Oregon. State Game Commission69
- Oregon State University. Forest Research Laboratory67
- Oregon State College. Agricultural Experiment Station62
- Oregon State University. College Of Forestry57
- Oregon. Dept. Of Geology And Mineral Industries53
- Oregon Agricultural College. Extension Service51
- Oregon State College. Engineering Experiment Station48
- United States. Agricultural Research Service43
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)41
- Columbia Basin Agricultural Research Center34
- Oregon State University. Malheur Experiment Station33
- United States. Forest Service33
- Oregon State University. Water Resources Research Institute31