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.

Mississippi River Gulf Outlet and Michoud Canal
   Survey title Survey date
       Sheet Name    Stationing PDF XYZ SHP
   G.I.W.W./M.R.G.O. - Sh. 2 12/09/2016
       GE_02_MRG    0+00 - 75+00 PDF XYZ Shape
   G.I.W.W./M.R.G.O. - Sh. 3 12/09/2016
       GE_03_MRG    75+00 - 150+00 PDF XYZ Shape
   G.I.W.W./M.R.G.O. - Sh. 4 12/09/2016
       GE_04_MRG    150+00 - 225+00 PDF XYZ Shape
   G.I.W.W./M.R.G.O. - Sh. 5 12/09/2016
       GE_05_MRG    225+00 - 300+00 PDF XYZ Shape
   G.I.W.W./M.R.G.O. - Sh. 6 12/09/2016
       GE_06_MRG    300+00 - 350+00 PDF XYZ Shape
   Michoud Canal 12/09/2016
       GE_24_MIC     PDF XYZ Shape