Creator
- Oregon Agricultural College. Extension Service65
- Lane County Historical Society (Or.)64
- United States. Department Of Agriculture63
- Oregon Agricultural Experiment Station62
- U.S. International Biological Program. Coniferous Forest Biome62
- United States. Forest Service. Northern Region. State & Private Forestry62
- Oregon State Agricultural College. Extension Service61
- Oregon State University. Water Resources Research Institute59
- Sapon White, Richard54
- United States. Bureau Of Land Management54
- Western Dry Kiln Clubs54
- Oregon. Fish Commission52
- Pscheidt, Jay W.52
- Oregon State University. Department Of Horticulture48
- Oregon State University. Malheur Experiment Station48
- Institute For Natural Resources44
- Klamath Falls Resource Area43
- University Of Idaho. Cooperative Extension Service43
- Washington State University. Extension43
- Brodeur, Richard D.42