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Sailing Charts
(Bowditch, The American Practical Navigator, 2002)

Sailing charts are the smallest scale charts used for planning, fixing position at sea and for plotting the dead reckoning while proceeding on a long voyage. The scale is generally 1:600,000 or smaller. The shoreline and topography are generalized and only offshore soundings, the principal navigational lights, outer buoys, and landmarks visible at considerable distances are shown.

Example of a NOAA sailing chart showing the coast of southern New England.  Depths can be seen offshore, however, there is very little detail inshore due to the small scale.
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