Creator
- Oregon. Dept. Of Geology And Mineral Industries84
- Forest Products Laboratory (U.S.)46
- Oregon State University. Agricultural Experiment Station34
- Oregon State University30
- Oregon Agricultural College. Experiment Station19
- Oregon State University. Extension Service19
- Peck, Edward C. (Edward Coit), 1894 17
- Hughes, Robert M.15
- United States. Agricultural Research Service15
- Columbia Basin Agricultural Research Center13
- Oregon Agricultural College. Extension Service13
- Mason, Ralph S.12
- Newton, Vernon C.11
- Oregon State University. Forest Research Laboratory11
- Bowen, Richard G.9
- U.S. International Biological Program. Coniferous Forest Biome9
- Independent Multidisciplinary Science Team (Or.)8
- Oregon State Agricultural College. Agricultural Experiment Station8
- Oregon State Agricultural College. Extension Service8
- Oregon State College. Agricultural Experiment Station8