• Porto Rico, West Indies / Coast & Geodetic Survey

    U.S. Coast and Geodetic Survey

    Relief shown by hachures. Depths shown by isolines and soundings ; Includes notes and tables ; ""March 1906."" ; ""Electrotype copy no. 1 C. & G.S."" ; ""Plate no. 2832."" Color [ca. 1:325,000]

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