Creator
- Oregon State University. Extension Service56
- Forest Products Laboratory (U.S.)48
- Oregon State University. Forest Research Laboratory47
- Oregon State University. Agricultural Experiment Station44
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)39
- United States. Forest Service32
- Oregon State College. Extension Service30
- Oregon State College. Federal Cooperative Extension Service25
- Oregon State University. Water Resources Research Institute18
- Oregon. Department Of Fish And Wildlife17
- Oregon State University. College Of Forestry16
- Hatfield Marine Science Center15
- Oregon State Agricultural College. Extension Service15
- United States. Division Of Forestry13
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club13
- Moravets, F. L.12
- Geyer, Nancy A.11
- Oregon Agricultural College. Experiment Station11
- Oregon. State Game Commission10
- Osu Forestry Alumni Association10