Creator
- Oregon State University. Agricultural Experiment Station310
- Oregon State University. Extension Service235
- Oregon State University207
- Oregon State Agricultural College. Agricultural Experiment Station137
- Oregon State College. Agricultural Experiment Station129
- Oregon. Department Of Fish And Wildlife125
- Oregon State University. Forest Research Laboratory115
- Forest Products Laboratory (U.S.)103
- Oregon. State Game Commission88
- Oregon. Dept. Of Geology And Mineral Industries83
- Oregon State University. College Of Forestry70
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)68
- Oregon State College. Extension Service64
- Et Al.59
- Oregon. Fish Commission54
- Oregon State University. Water Resources Research Institute50
- United States. Agricultural Research Service49
- Lane County Historical Society (Or.)41
- Institute For Natural Resources39
- United States. Bureau Of Land Management39