NGA Nautical Chart 21521: Golfo de Fonseca Media:Paper NOAA Nautical Chart 13218: Martha's

NOAA Nautical Chart 13218: Martha's Vineyard to Block Island is a standard navigation chart used by commercial and recreational mariners alike

The colored inset scheme makes harbors easy to find

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Edition Date: 2015-05-01

10 Trends in the Container Ship Fleet

NGA Nautical Chart 21521: Golfo de Fonseca Media:Paper NOAA Nautical Chart 13218: Martha'sThe chart you are viewing is a NGA standard nautical chart. The National Geospatial Intelligence Agency (NGA) has partnered with OceanGrafix to provide commercial and recreational mariners with a good source of nautical chart coverage for international waters. These charts are "printed on demand" but do not contain the latest notice to mariner (NTM) corrections. It is the mariner's responsibility that the necessary chart corrections be applied to