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

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.
Originators DiGiacomo-Cohen, Mary L.; Tedesco, Mark; Poppe, Lawrence J.; Paskevich, Valerie F.; Moser, M. S.; and Christman, E. B.

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Image showing extent of 1 m bathymetry contours for Long Island Sound GIS project area.
Image showing extent of 1 m bathymetry contours for Long Island Sound GIS project area.