Creator
- Oregon State University. Extension Service298
- Oregon State University. Agricultural Experiment Station253
- Oregon State University146
- Oregon State College. Agricultural Experiment Station121
- Jackson, T. L. (Thomas Lloyd), 1922 76
- Oregon State University. College Of Forestry71
- Oregon State University. Forest Research Laboratory71
- Forest Products Laboratory (U.S.)70
- Et Al.61
- Oregon State College. Federal Cooperative Extension Service56
- Oregon. Dept. Of Geology And Mineral Industries49
- Oregon State College. Engineering Experiment Station48
- United States. Forest Service48
- Oregon. Fish Commission45
- Bedell, Thomas E.44
- Gardner, Ernest Hugh41
- Lane County Historical Society (Or.)41
- Institute For Natural Resources39
- Oregon. Department Of Fish And Wildlife39
- Oregon State University. Water Resources Research Institute36