Creator
- Oregon State University. Extension Service80
- Oregon State University. Agricultural Experiment Station71
- Oregon State University. College Of Forestry58
- Oregon State University50
- Lane County Historical Society (Or.)49
- Oregon State College. Extension Service30
- Oregon State University. Engineering Experiment Station29
- Oregon. Dept. Of Geology And Mineral Industries29
- Oregon State University. Forest Research Laboratory27
- Oregon State University. Water Resources Research Institute27
- Oregon State University. Department Of Oceanography26
- United States. Forest Service26
- Forest Products Laboratory (U.S.)25
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club25
- United States. Agricultural Research Service23
- Oregon. State Game Commission22
- Oregon. Fish Commission21
- Oregon Agricultural College. Experiment Station20
- Hatfield Marine Science Center19
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)19