Version History for Data Release: Smith, K.E.L., Terrano, J.F., Pitchford, J., Brochard M., Vargas, J.M., Atchia, I.D., Everhart, C.S., and Smith C.G., 2020, Shore proximal marsh sediment deposition and ancillary data from Grand Bay National Estuarine Research Reserve, Mississippi, from July 2018 to January 2020 (ver. 3.0, September 2025): U.S. Geological Survey data release, https://doi.org/10.5066/P9ONI8PS. ________________________________________________________ Version 1.0 posted online July 13, 2020 ________________________________________________________ Version 2.0 revised and reposted online June 5, 2023 Changes in version 2.0 1. Added grain size data and metadata (Grand_Bay_Grain_Size_Data.zip). 2. Added vegetation survey data and metadata (Grand_Bay_Vegetation_Data.zip). 3. Changed the "---" no data values to "NaN" in the Grand_Bay_RBR_42028_Data, Grand_Bay_RBR_42029_Data, Grand_Bay_RBR_42028_Wave_Data, Grand_Bay_RBR_42029_Wave_Data comma-separated values files (CSV). 4. Updated the Grand_Bay_RBR_Data_Metadata and Grand_Bay_RBR_Wave_Metadata metadata records (.txt and .xml) to change the metadata and distribution contact persons and incorporate the no data value change. All other previously published data and metadata remain unchanged from version 1.0. ________________________________________________________ Version 3.0 revised and reposted online September 24, 2025 Changes in version 3.0 1. Added 18CCT01 elevation data and updated Grand_Bay_Elevation_Metadata_2018_2020 metadata records (.txt and .xml). All other previously published data and metadata remain unchanged from version 2.0.