Creator
- Oregon State University. Agricultural Experiment Station322
- Oregon State University. Extension Service231
- U.S. International Biological Program. Coniferous Forest Biome164
- University Of Washington131
- United States. Forest Service. Northern Region. State & Private Forestry104
- Oregon. Dept. Of Geology And Mineral Industries75
- Oregon. Department Of Fish And Wildlife65
- Oregon State University. Forest Research Laboratory63
- Western Dry Kiln Clubs62
- Oregon State University. Cooperative Extension Service54
- Oregon State University. Extension Service/Marine Advisory Program43
- Oregon. State Game Commission38
- Oregon State University. Water Resources Research Institute35
- Mcgregor, Mark D.33
- United States. Forest Service29
- Baggett, James R.27
- Upper Willamette Resource Conservation And Development Project27
- Lane County Historical Society (Or.)26
- Mack, H. J.25
- Mansour, N. S.25