Creator
- Oregon State University. Agricultural Experiment Station106
- Oregon. Dept. Of Geology And Mineral Industries91
- Forest Products Laboratory (U.S.)17
- Oregon. State Game Commission16
- United States. Agency For International Development16
- Mason, Ralph S.15
- Oregon State University. Extension Service15
- Oregon State University. Water Resources Research Institute15
- International Maize And Wheat Improvement Center12
- Klamath County (Or.)12
- Newton, Vernon C.12
- Oregon State University. Klamath Agricultural Experiment Station12
- United States. Agricultural Research Service12
- Columbia Basin Agricultural Research Center11
- James, Robert L.10
- United States. Forest Service. Northern Region. State & Private Forestry10
- Oregon State University. Forest Research Laboratory9
- Browne, F. L. (Frederick Lincoln), 1895 8
- United States. Forest Service. Northern Region8
- Byrne, John Vincent, 1928 7