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Creator
- Oregon. State Highway Division 70
- Oregon State Highway Commission 54
- Skelley, E. A. 33
- Oregon. Department of Transportation 10
- University of Oregon. Department of Geography 7
- Oregon Transportation Commission 6
- Kilger, L. A. 3
- Oregon State Motor Association 1
- Oregon State University. Department of Geography 1
- Oregon. Tourist and Information Bureau 1
Topic
- Roads 84
- Bridges 2
- Covered bridges 2
Region
- Oregon >> United States 84
Format
- image/tiff 84
Institution
- University of Oregon 84