Creator
- Oregon State University. Agricultural Experiment Station513
- Oregon State University. Extension Service406
- Forest Products Laboratory (U.S.)261
- Oregon. State Game Commission244
- Oregon State University230
- Oregon. Department Of Fish And Wildlife183
- Oregon State College. Agricultural Experiment Station176
- Oregon Agricultural College. Experiment Station154
- Oregon State Agricultural College. Agricultural Experiment Station141
- Oregon. Dept. Of Geology And Mineral Industries136
- Oregon State University. Forest Research Laboratory134
- Oregon State College. Extension Service82
- Oregon State University. College Of Forestry79
- Et Al.76
- Oregon Agricultural Experiment Station75
- Oregon State University. Water Resources Research Institute72
- United States. Forest Service68
- Oregon State College. Federal Cooperative Extension Service65
- Oregon. Fish Commission62
- United States. Agricultural Research Service61