This data set was acquired with a ship-based Gravimeter and Subbottom Profiler during Nathaniel B. Palmer expedition NBP9903 conducted in 1999 (Chief Scientist: Dr. Eugene Domack). These data files are of MGD77 format and include Bathymetry, Gravity (Field and Free Air Anomaly) data that were processed during the cruise. Data were acquired as part of the project(s): Palmer Deep, Andvord Bay and Lallemand Fjord Geology and Geophysics Studies, and funding was provided by NSF grant(s): OPP94-18153.