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Topic
- Roads 16
- Forests and forestry 9
- Tunnels 6
- Civilian Conservation Corps (U.S.) 1
- Mountains--Oregon 1
Work Type
- photographic prints 16
Format
- image/tiff 16
Collection
- Gerald W. Williams Collection 16
- OSU Special Collections & Archives Research Center 16
Decade
- 1930-1939 16