Version History for Data Release: Marot, M.E., Smith, C.G., McCloskey, T.A., Locker, S.D., Khan, N.S., and Smith, K.E.L., 2019, Sedimentary data from Grand Bay, Alabama/Mississippi (ver. 1.1, April 2020), 2014–2016: U.S. Geological Survey data release, https://doi.org/10.5066/P9FO8R3Y. ________________________________________________________ Version 1 posted online March 05, 2019 ________________________________________________________ Version 1.1 revised and reposted online April 28, 2019 Changes in version 1.1 1. Corrected estimated (due to GPS failure) core site latitude/longitude coordinates, collected during USGS FAN 2016-358-FA, project ID 16CCT07.