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Federal
Narragansett Bay, RI (M020) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
National Oceanic and Atmospheric Administration, Department of Commerce —
Bathymetry for Narragansett Bay was derived from fifteen surveys containing 165,184 soundings. Three older, less accurate, overlapping surveys were entirely omitted,...