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Collection
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Subject
- Bridge construction (15)
- Bridges (15)
- Mackinac Bridge (Michigan) (15)
- Bridge construction--Michigan--1930-1940 (10)
- Bridges--Michigan--1930-1940 (10)
- Mackinac Bridge (Michigan)--1930-1940 (10)
- Bridge construction--Michigan--1950-1960 (5)
- Bridges--Michigan--1950-1960 (5)
- Ground breaking ceremonies (5)
- Ground breaking ceremonies--Michigan--1950-1960 (5)
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Coverage
- Michigan (15)
- 1930-1940 (10)
- 1950-1960 (5)
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