Relief shown by shading and hachures. Depths shown by soundings and shading. Includes buoys, weather signals, bottom types, and charts of tides and... U.S. Coast and Geodetic Survey.
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Relief shown by shading and hachures. Depths shown by soundings and shading. Includes buoys, weather signals, bottom types, and charts of tides and... U.S. Coast and Geodetic Survey.
U.S. Coast and Geodetic Survey. Depths shown by shading and soundings. Relief shown by contours and spot heights. Includes tidal information. "Plat... U.S. Coast and Geodetic Survey.
Relief shown by contours and spot heights. Depths shown by isolines and soundings. U.S. Coast and Geodetic Survey.
Relief shown by contours and spot heights. Depths shown by isolines and soundings. U.S. Coast and Geodetic Survey.
U.S. Coast and Geodetic Survey. Depths shown by shading and soundings. Relief shown by contours and spot heights. "Soundings in feet...and fathoms.... U.S. Coast and Geodetic Survey.