Creator
- Oregon. Dept. Of Geology And Mineral Industries119
- Oregon State University87
- Oregon State University. Agricultural Experiment Station79
- Oregon. State Game Commission71
- Oregon State University. Extension Service62
- Forest Products Laboratory (U.S.)52
- Oregon State College. Extension Service46
- Oregon State University. College Of Forestry34
- United States. Forest Service33
- United States. Forest Service. Pacific Northwest Region. Thirty Year Club27
- Oregon Agricultural College. Experiment Station26
- United States. Agricultural Research Service26
- Oregon State College. Agricultural Experiment Station22
- Youngberg, Harold Wayne, 1929 22
- Mason, Ralph S.20
- Oregon. Wildlife Commission20
- Betts, Harold S. (Harold Scofield)18
- Oregon. Department Of Fish And Wildlife18
- Columbia Basin Agricultural Research Center16
- Newton, Vernon C.16