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Topic
- Roads 20
- Roads--Design and construction 3
- Culverts 1
- Ducks 1
- Dwellings 1
- Forests and forestry 1
- Logging 1
- Lumber trade 1
- Perimeters (Boundaries) 1
- Signs and signboards 1
Region
- Oregon >> United States 20
Format
- image/tiff 20
Collection
- Gifford Photographic Collection 20
- OSU Special Collections & Archives Research Center 20