Version History for Data Release: DeWitt, N.T., Stalk, C.A., Smith, C.G., Locker, S.D., Fredericks, J.J., McCloskey, T.A., and Wheaton, C.J., 2018, Single Beam Bathymetry Data Collected in 2015 from Grand Bay, Mississippi/Alabama (ver.2.0, April 2018): U.S. Geological Survey Data Release, https://doi.org/10.5066/F7NP22M2 ________________________________________________________ Version 1 posted online November 29, 2016 ________________________________________________________ Version 2.0 revised and reposted online April 5, 2018 Changes in version 2.0 1. Replaced erroneous xyz values beginning at line 1763124 through the end of the file. 2. Added data fields containing Latitude, Longitude, Year, DOY, HypackLine, GPS_Week, GPS_Second and Data Type to enhance usability of the dataset. 3. Removed GrandBay_GIS.zip from data products. ________________________________________________________