Creator
- Oregon State University. Agricultural Experiment Station81
- Oregon. Dept. Of Geology And Mineral Industries53
- Forest Products Laboratory (U.S.)42
- Columbia Basin Agricultural Research Center24
- United States. Agricultural Research Service23
- Oregon State University. Water Resources Research Institute19
- Telford, C. J. (Clarence John), 1887 18
- Hamilton, Stanley F.16
- Advisory Committee To The State Land Board15
- Oregon State University. Extension Service15
- James, Robert L.12
- United States. Forest Service. Northern Region12
- Pacific Northwest Forest And Range Experiment Station (Portland, Or.)10
- U.S. International Biological Program. Coniferous Forest Biome10
- Mason, Ralph S.8
- Oregon State University. Forest Research Laboratory8
- United States. Forest Health Protection8
- Bowen, Richard G.7
- Newton, Vernon C.7
- Wyatt, Bruce7