Massachusetts Bay, MA (N170) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
Bathymetry for Massachusetts Bay was derived from thirty-eight surveys containing 297,628 soundings. Two older, less accurate, overlapping surveys were omitted before tinning. The average separation between soundings was 57 meters. The thirty-eight surveys used dated from 1940 to 1970. The total range of soundings was …