Survey data is referenced to Louisiana South State Plane Coordinates North American Datum 1983 with soundings referenced below National Geodetic Vertical Datum of 1929 in U.S. Survey Feet.

Baton Rouge Harbor Area
   Survey title Survey date
       Sheet Name    Stationing PDF XYZ SHP
   Baton Rouge Harbor (Devil's Swamp) 01/13/2021
       BH_01_DEV    0+00 - 132+00 PDF XYZ Shape
   Port Allen Lock Forebay 12/22/2020
       LK_04_PAL    0+00 - 20+00 PDF XYZ Shape