The National Tidal Datum Convention of 1980
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The National Tidal Datum Convention of 1980
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The  National Tidal Datum Convention of 1980
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    "The purpose of this Convention is to provide one uniform and continuous Shoreline (at Mean High Water by the proposed computational method) and one uniform and continuous Chart Datum (at Mean Lower Low Water) for all appropriate National Ocean Survey marine products (nautical charts, bathymetric maps, tide tables, etc.) covering the coasts of the United States, its possessions, and U.N. Trust Territories under its jurisdiction. Also, States with predominantly diurnal or diurnal and mixed tides will be provided one uniform and continuous Mean High Water Line"--Page vii.
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