Survey data is referenced to Louisiana South State Plane Coordinates North American Datum 1983 with soundings referenced below Mean Low Gulf in U.S. Survey Feet.

New Orleans Harbor Area
   Survey title Survey date Survey date
       Sheet Name    Stationing Multi-beam Single-Beam
   New Orleans Harbor - Sh. 1 09/27/2017 05/03/2016
       MR_54_NO1    0+00 - 151+75 PDF XYZ Shape PDF XYZ Shape
   New Orleans Harbor - Sh. 3 09/27/2017 05/03/2016
       MR_56_NO3    226+00 - 333+05.61 PDF XYZ Shape PDF XYZ Shape
   Algiers Lock Forebay 09/13/2017 11/22/2016
       LK_01_ALG    0+00 - 27+97 PDF XYZ Shape PDF XYZ Shape
   I.H.N.C. Lock Forebay 09/13/2017 11/22/2016
       LK_02_IHN    0+00 - 33+27 PDF XYZ Shape PDF XYZ Shape
   Harvey Lock Forebay 09/14/2017 11/22/2016
       LK_03_HVY    0+00 - 13+55 PDF XYZ Shape PDF XYZ Shape