1 m digital bathymetric contours from NOAA charts as organized for the Long Island Sound Study Geographic Information System (LISSGIS) library (LISBATHY.SHP)

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Online link	https://cmgds.marine.usgs.gov/catalog/whcmsc/open_file_report/ofr2004-1003/lisbathy.shp.faq.html
Description	The Long Island Sound Study (LISS) compiled data from a number of different sources, integrated new data, and assembled a comprehensive spatial database for areas of the States of Connecticut, New York, and portions of Rhode Island which border Long Island Sound.
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