U.S. Coast and Geodetic Survey. Relief shown by hachures and spot heights; depths shown by soundings and isolines. Includes view, tides table, and notes. "U.S.C. & .G.S. 5126.". U.S. Coast and Geodetic Survey.
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U.S. Coast and Geodetic Survey. Depths shown by isolines and soundings. Relief shown by hachures. "Soundings in feet." Includes tables of channel depths, tidal information, and lo... U.S. Coast and Geodetic Survey.