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  • Potomac River (in four sheets): Sheet no. 4, from Indian Head to Georgetown

    Scale 1:40,000. LC Civil War Maps (2nd ed.), 53.4 "No. 391" in upper left corner of map. "Electrotype copy no. 1, by G. Mathiot, U.S.C.S." is printed in the upper margin. Information ...

    • Contributor: United States Coast Survey
    • Original Format: Maps
    • Date: 1864
  • 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