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Federal
St. Johns River, FL (S180) 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 the St. Johns River was derived from thirty-two surveys containing 158,931 soundings. No surveys were omitted. The average separation between soundings...