This data set was acquired with a ship-based Knudsen 320BR Subbottom Seismic system, Gravimeter, and Navigation system during Nathaniel B. Palmer expedition NBP1310 conducted in 2013 (Chief Scientist: Dr. Kathryn Smith). These data files are of MGD77 format and include Bathymetry, Gravity Free Air Anomaly, Navigation, and Gravity Field data and were processed after data collection.