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Subjects
- Boat and ship industry.[remove]3
- World War, 1939-1945.3
- Defense industry.2
- Roads -- Michigan.2
- Aeronautics.1
- Airports -- Michigan.1
- Bands.1
- Boats.1
- Bridges -- Michigan.1
- Bridges.1
- Canals.1
- Cement.1
- Construction industry.1
- Dredging.1
- Elections -- Michigan -- 1930.1
- Elections -- Michigan -- 1932.1
- Elections -- Michigan -- 1940.1
- Elections -- Michigan -- 1942.1
- Engineers -- Michigan.1
- Engineers -- United States.1