This data set was acquired with a Knudsen Engineering 320BR Seismic Subbottom Profiler, Seatex Seapath200 Navigation System and L & R S-33 Gravimeter during R/V Nathaniel B. Palmer expedition NBP1606 conducted in 2016 (Chief Scientist: Dr. George Watters, Investigator: Dr. George Watters). These data files are of MGD77 format and include Bathymetry, Gravity Field, Gravity Free Air Anomaly and Navigation data that have not been processed.