Creator
- Oregon. State Game Commission218
- Oregon. Department Of Fish And Wildlife175
- Oregon. Dept. Of Geology And Mineral Industries164
- Oregon State College. Federal Cooperative Extension Service145
- Oregon. Fish Commission85
- Oregon State University. Dept. Of Computer Science71
- Oregon State University. Extension Service60
- Oregon State Agricultural College. Extension Service58
- United States. Forest Service49
- Oregon State University47
- Oregon State University. Klamath Basin Research And Extension Center45
- Oregon State University. Agricultural Experiment Station44
- Oregon State University. College Of Forestry44
- Oregon Agricultural College. Experiment Station39
- Oregon Agricultural College. Extension Service36
- Southern Oregon Agricultural Experiment Station36
- United States. Bureau Of Land Management35
- Oregon State College. Engineering Experiment Station32
- Lewis, Ted G.31
- Westigard, Peter H.31