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Coastal Charts
Coastal Charts are intended for inshore coastwise navigation, for entering or leaving bays and harbors of considerable width, and for navigating large inland waterways. The scales range from about 1:50,001 to 1:150,000.

Coastal NOAA nautical chart of area near Martha's Vineyard to Block Island, near Newport RI.  Offshore detail is shown, however, nearshore shallow areas are shown in blue due to the small scale.
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