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  • Map of Carroll County, Md., showing rural delivery service /

    Road map showing rural postal delivery routes and landholders' surnames at delivery points. Also covers small areas of adjoining counties in Md. and Pa. "January 31, 1911 G.C.M." Blue-line print. Available also ...

    • Contributor: United States. Post Office Department
    • Original Format: Maps
    • Date: 1911