Creator
- Oregon State University. Extension Service482
- Oregon State University. Agricultural Experiment Station294
- Oregon. State Game Commission271
- Oregon. Dept. Of Geology And Mineral Industries179
- Oregon. Department Of Fish And Wildlife145
- Oregon State College. Agricultural Experiment Station133
- Oregon State University120
- Forest Products Laboratory (U.S.)108
- Oregon State College. Extension Service79
- Oregon State College. Federal Cooperative Extension Service67
- Oregon State University. Forest Research Laboratory66
- Oregon State University. College Of Forestry53
- Lane County Historical Society (Or.)49
- Oregon State University. Water Resources Research Institute48
- United States. Agricultural Research Service48
- Oregon State College. Engineering Experiment Station45
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)44
- Et Al.40
- United States. Forest Service37
- Columbia Basin Agricultural Research Center36