• Map: Comparative Health Rating for Sections of Detroit 1920-1921

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  • Map: Detroit New Urban Configuration 1920 – 2010

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  • Map: Detroit Fire Insurance 1910s

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  • Map: 1920s House Renumbering as Viewed by a Northender

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  • Map: Detroit Election Commission 1920

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  • Detroit Smallpox Map 1920

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  • Map of Black Population, Detroit 1910-1950

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