Creator
- Oregon State University. Extension Service647
- Oregon State University. Agricultural Experiment Station358
- U.S. International Biological Program. Coniferous Forest Biome190
- University Of Washington157
- United States. Forest Service. Northern Region. State & Private Forestry151
- Oregon State University. Cooperative Extension Service147
- Western Dry Kiln Clubs124
- Oregon. Dept. Of Geology And Mineral Industries85
- Oregon. Department Of Fish And Wildlife78
- Oregon State University. Forest Research Laboratory69
- Oregon State University. Water Resources Research Institute65
- Oregon State University. Extension Service/Marine Advisory Program61
- Oregon State University. Sea Grant Marine Advisory Program55
- Mcgregor, Mark D.48
- Gardner, E. Hugh44
- Oregon. State Game Commission41
- Mansour, N. S.40
- Upper Willamette Resource Conservation And Development Project37
- Oregon State University. Air Resources Center36
- Mack, H. J.32