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  • Potamac River (in four sheets).

    Scale 1:40,000 and 1:60,000. LC Civil War Maps (2nd ed.), 35.2 Various issues of each sheet, some colored. Sheets 1 to 3 titled as above; sheet 4 titled "Preliminary chart of the ...

    • Contributor: United States Coast Survey
    • Original Format: Maps
    • Date: 1862
  • Potomac River (in four sheets) /

    Chart of the Potomac River from Washington, D.C. to its entrance into the Chesapeake Bay. Chart indicates soundings, tides, lighthouses, and the shoreline configuration. Description derived from published bibliography. Maps numbered 20-23 ...

    • Contributor: United States Coast Survey
    • Original Format: Maps
    • Date: 1862
  • A reconnaissance of the Potomac River from Point Lookout to Washington City

    Scale 1:200,000. LC Civil War Maps (2nd ed.), 17.85 At head of title: U.S. Coast Survey, A.D. Bache, Supdt. Pencil note in the bottom margin reads "This is the first chart of ...

    • Contributor: United States Coast Survey
    • Original Format: Maps
    • Date: 1861