Creator
- Forest Products Laboratory (U.S.)903
- Oregon State University. Agricultural Experiment Station766
- Oregon State University. Extension Service663
- Oregon. State Game Commission279
- Oregon State College. Agricultural Experiment Station243
- Oregon Agricultural College. Experiment Station182
- Oregon State University. Forest Research Laboratory180
- Oregon. Dept. Of Geology And Mineral Industries169
- Oregon State University167
- Oregon State Agricultural College. Agricultural Experiment Station156
- Oregon. Department Of Fish And Wildlife151
- Et Al.150
- Oregon State University. Water Resources Research Institute109
- Oregon State College. Federal Cooperative Extension Service108
- U.S. International Biological Program. Coniferous Forest Biome105
- Oregon. Fish Commission92
- Oregon State College. Extension Service82
- United States. Forest Service. Northern Region. State & Private Forestry79
- United States. Forest Service78
- University Of Washington76