Creator
- Oregon State University. Extension Service592
- Oregon State University. Agricultural Experiment Station439
- Oregon. State Game Commission240
- Forest Products Laboratory (U.S.)224
- Oregon State College. Agricultural Experiment Station189
- Oregon Agricultural College. Experiment Station175
- Oregon State University173
- Oregon State Agricultural College. Agricultural Experiment Station146
- Oregon State College. Federal Cooperative Extension Service143
- Oregon. Department Of Fish And Wildlife139
- Oregon State University. Forest Research Laboratory114
- Oregon. Dept. Of Geology And Mineral Industries95
- Et Al.87
- United States. Forest Service81
- Oregon State College. Extension Service72
- Oregon State University. College Of Forestry66
- U.S. International Biological Program. Coniferous Forest Biome60
- United States. Agricultural Research Service60
- Oregon Agricultural College. Extension Service59
- Oregon State University. Water Resources Research Institute57