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

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.

长岛湾研究项目（Long Island Sound Study, LISS）从多个不同来源汇编数据，整合新增数据，并为毗邻长岛湾的康涅狄格州、纽约州以及罗德岛州部分区域构建了一套全面的空间数据库。