Creator
- Oregon State University. Agricultural Experiment Station283
- Oregon State University. Extension Service238
- U.S. International Biological Program. Coniferous Forest Biome150
- University Of Washington121
- Oregon. Dept. Of Geology And Mineral Industries74
- United States. Forest Service. Northern Region. State & Private Forestry74
- Western Dry Kiln Clubs64
- Oregon State University. Forest Research Laboratory58
- Oregon State University. Cooperative Extension Service53
- Oregon. Department Of Fish And Wildlife46
- Oregon State University. Water Resources Research Institute37
- Oregon State University. Extension Service/Marine Advisory Program29
- United States. Forest Service29
- Lane County Historical Society (Or.)25
- Mcgregor, Mark D.25
- Upper Willamette Resource Conservation And Development Project21
- Hamel, Dennis R.18
- Oregon. Fish Commission18
- Hamilton, Stanley F.17
- Nelson, A. Gene17