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.

G.I.W.W. - Morgan City to Port Allen Route
   Survey title Survey date
       Sheet Name    River mile PDF XYZ SHP
Morgan City to Port Allen Lock
   Atch. River Intersection - Sh. 1 10/10/2018
       MP_01_ARI     PDF XYZ Shape
   Sh. 2 10/10/2018
       MP_02_A2S     PDF XYZ Shape
   Sh. 3 10/10/2018
       MP_03_A2S     PDF XYZ Shape
   Sh. 4 10/10/2018
       MP_04_A2S     PDF XYZ Shape
   Sh. 5 10/10/2018
       MP_05_A2S     PDF XYZ Shape
   Sh. 6 10/11/2018
       MP_06_A2S     PDF XYZ Shape
   Sh. 7 10/11/2018
       MP_07_A2S     PDF XYZ Shape
   Sh. 8 10/11/2018
       MP_08_A2S     PDF XYZ Shape
   Sh. 9 09/27/2018
       MP_09_A2S     PDF XYZ Shape
   Sh. 10 09/27/2018
       MP_10_A2S     PDF XYZ Shape
   Sh. 11 09/27/2018
       MP_11_A2S     PDF XYZ Shape
   Sh. 12 09/27/2018
       MP_12_A2S     PDF XYZ Shape
   Sh. 13 09/27/2018
       MP_13_A2S     PDF XYZ Shape
   Sh. 14 09/27/2018
       MP_14_A2S     PDF XYZ Shape
   Bayou Sorrel Dredge Reach - Sh. 15 02/20/2020
       MP_15_BSO     PDF XYZ Shape
   Bayou Sorrel Dredge Reach - Sh. 16 02/20/2020
       MP_16_BSO     PDF XYZ Shape
   Bayou Sorrel Dredge Reach - Sh. 17 02/20/2020
       MP_17_BSO     PDF XYZ Shape
   Bayou Sorrel Lock - Sh. 18 12/20/2018
       MP_18_BSO     PDF XYZ Shape
   Sh. 19 12/20/2018
       MP_19_S2P     PDF XYZ Shape
   Sh. 20 09/26/2018
       MP_20_S2P     PDF XYZ Shape
   Sh. 21 09/26/2018
       MP_21_S2P     PDF XYZ Shape
   Sh. 22 09/26/2018
       MP_22_S2P     PDF XYZ Shape
   Sh. 23 09/26/2018
       MP_23_S2P     PDF XYZ Shape
   Sh. 24 09/26/2018
       MP_24_S2P     PDF XYZ Shape
   Sh. 25 09/26/2018
       MP_25_S2P     PDF XYZ Shape
   Sh. 26 09/26/2018
       MP_26_S2P     PDF XYZ Shape
   Sh. 27 09/28/2018
       MP_27_S2P     PDF XYZ Shape
   Sh. 28 09/28/2018
       MP_28_S2P     PDF XYZ Shape
   Sh. 29 09/28/2018
       MP_29_S2P     PDF XYZ Shape
   Sh. 30 09/28/2018
       MP_30_S2P     PDF XYZ Shape