Creator
- Oregon State University. Extension Service305
- Oregon State University. Agricultural Experiment Station291
- Oregon State University178
- Forest Products Laboratory (U.S.)108
- Oregon. Department Of Fish And Wildlife94
- Oregon State College. Agricultural Experiment Station93
- Et Al.78
- Oregon. State Game Commission78
- Oregon. Dept. Of Geology And Mineral Industries77
- United States. Forest Service75
- Oregon State University. College Of Forestry70
- Oregon State University. Forest Research Laboratory66
- Lane County Historical Society (Or.)64
- Oregon State College. Extension Service60
- Oregon State University. Water Resources Research Institute55
- United States. Agricultural Research Service51
- Peterson, William T.46
- Oregon. Forest Lands Research Center, Corvallis44
- Oregon State College. Engineering Experiment Station39
- Oregon Agricultural College. Experiment Station38