Survey data on PDFs is referenced to Louisiana South State Plane Coordinates North American Datum 1983 with soundings referenced below Low Water Reference Plane 2007 via N.A.V.D. gage in U.S. Survey Feet. XYZ files are in U.S. Survey feet referenced to N.A.V.D unless otherwise noted.

Mississippi River Crossings
   Survey title Survey date Survey date
       Sheet Name    River Mile Recon - Profile Only Full Survey
Mississippi River Shallow Draft Crossings
   Old River Control 07/25/2019 12/11/2019
       MS_07_OLD    MM 315 to 309.5 PDF XYZ Shape PDF XYZ Shape
   Fort Adams Reach 07/25/2019 12/11/2019
       MS_08_FAR    MM 309.5 to 305 PDF XYZ Shape PDF XYZ Shape
   Smithland - Sh. 1 07/23/2019 10/31/2019
       MS_09_SM1    MM 305 to 300 PDF XYZ Shape PDF XYZ Shape
   Smithland - Sh. 2 07/24/2019 10/29/2019
       MS_10_SM2    MM 300 to 296 PDF XYZ Shape PDF XYZ Shape
   Smithland - Sh. 3 07/24/2019 12/10/2019
       MS_11_SM3    MM 296 to 291 PDF XYZ Shape PDF XYZ Shape
   Bayou Sara 07/03/2019 10/28/2019
       MS_24_BYS    MM 267 to 264 PDF XYZ Shape PDF XYZ Shape
   Profit Island - Sh. 2 mm/dd/yyyy 09/21/2019
       MS_31_PI2    MM 252 to 250 PDF XYZ Shape PDF XYZ Shape
   Wilkerson Point 05/20/2019 12/02/2019
       MS_39_WIL    MM 236 to 233 PDF XYZ Shape PDF XYZ Shape
Mississippi River Deep Draft Crossings
   Baton Rouge Front 12/09/2019 12/09/2019
       MD_01_BRF    MM 233 to 229 PDF XYZ Shape PDF XYZ Shape
   Arlington 1 03/19/2019 12/04/2019
       MD_02_AR1    MM 229 to 227 PDF XYZ Shape PDF XYZ Shape
   Arlington 2 07/31/2018 12/04/2019
       MD_03_AR2    MM 227 to 225 PDF XYZ Shape PDF XYZ Shape
   Redeye 12/05/2019 12/05/2019
       MD_04_RED    MM 225 to 222 PDF XYZ Shape PDF XYZ Shape
   Missouri Bend mm/dd/yyyy 11/05/2019
       MD_05_MIB    MM 222 to 220 PDF XYZ Shape PDF XYZ Shape
   Sardine Point 12/10/2019 03/20/2019
       MD_06_SDP    MM 220 to 216 PDF XYZ Shape PDF XYZ Shape
   Manchac Bend 03/27/2019 03/27/2019
       MD_07_MCB    MM 216 to 213 PDF XYZ Shape PDF XYZ Shape
   Medora 11/21/2019 09/27/2019
       MD_08_MED    MM 213 to 208 PDF XYZ Shape PDF XYZ Shape
   Granada 11/21/2019 08/14/2019
       MD_10_GRA    MM 206 to 203 PDF XYZ Shape PDF XYZ Shape
   Bayou Goula 12/03/2019 09/17/2019
       MD_13_GOU    MM 199 to 196 PDF XYZ Shape PDF XYZ Shape
   Alhambra 12/03/2019 09/16/2019
       MD_16_ALH    MM 192 to 189 PDF XYZ Shape PDF XYZ Shape
   Philadelphia Point 12/11/2019 05/16/2018
       MD_19_PHP    MM 185 to 182 PDF XYZ Shape PDF XYZ Shape
   81 Mile Point 04/03/2019 04/03/2019
       MD_21_81P    MM 180 to 178 PDF XYZ Shape PDF XYZ Shape
   Smoke Bend 12/11/2019 09/04/2019
       MD_22_SMB    MM 178 to 172 PDF XYZ Shape PDF XYZ Shape
   Brilliant Point - Sh. 2 11/05/2015 11/05/2015
       MD_28_BP2    MM 156 to 154 PDF XYZ Shape PDF XYZ Shape
   Rich Bend 12/04/2019 06/22/2018
       MD_29_RIB    MM 160 to 156 PDF XYZ Shape PDF XYZ Shape
   Belmont 12/04/2019 08/20/2019
       MD_30_BEL    MM 156 to 151 PDF XYZ Shape PDF XYZ Shape
   Bonnet Carre Spillway 04/12/2019 07/30/2019
       MD_42_BCS    MM 129 to 127 PDF XYZ Shape PDF XYZ Shape
   Hahnville mm/dd/yyyy 10/16/2019
       MD_43_HAN    MM 127 to 125 PDF XYZ Shape PDF XYZ Shape
   26 Mile Point mm/dd/yyyy 08/22/2019
       MD_44_26P    MM 125 to 123 PDF XYZ Shape PDF XYZ Shape
   Fairview 12/05/2019 10/04/2018
       MD_48_FRV    MM 117 to 111 PDF XYZ Shape PDF XYZ Shape
   Poydras 03/01/2016 03/01/2016
       MD_61_PYD    MM 86 to 84 PDF XYZ Shape PDF XYZ Shape
   12 Mile Point - Sh. 1 03/01/2016 03/01/2016
       MD_62_TW1    MM 84 to 82 PDF XYZ Shape PDF XYZ Shape
   Boothville 01/18/2019 01/18/2019
       MD_96_BTV    MM 17 to 15 PDF XYZ Shape PDF XYZ Shape