San Antonio Bay, TX (G290) Bathymetric Digital Elevation Model (30 meter resolution) Derived From Source Hydrographic Survey Soundings Collected by NOAA
Bathymetry for San Antonio Bay was derived from five surveys containing 32,829 soundings. Two older, overlapping, less accurate surveys were deleted before tinning. The average separation between soundings was 134 meters. The five surveys used dated from 1934 and 1935. The range of soundings was 0.2 meters to -12.2 …