Creator
- Forest Products Laboratory (U.S.)911
- Oregon State University. Agricultural Experiment Station770
- Oregon State University. Extension Service657
- Oregon State College. Agricultural Experiment Station239
- Oregon State University237
- Oregon State University. Forest Research Laboratory187
- Oregon Agricultural College. Experiment Station183
- Et Al.173
- Oregon. Department Of Fish And Wildlife163
- Oregon State Agricultural College. Agricultural Experiment Station151
- Oregon. Dept. Of Geology And Mineral Industries151
- U.S. International Biological Program. Coniferous Forest Biome115
- Oregon State University. Water Resources Research Institute108
- Oregon. State Game Commission107
- Oregon State College. Federal Cooperative Extension Service101
- Oregon. Fish Commission91
- University Of Washington85
- Oregon Agricultural Experiment Station82
- United States. Agricultural Research Service74
- United States. Forest Service74