This data set was acquired with a ship-based Gravimeter and Subbottom Profiler during Nathaniel B. Palmer expedition NBP9401 conducted in 1994 (Chief Scientist: Dr. John Anderson). 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): Geologic Record of Late Wisconsin/Holocene Ice Sheet Advance and Retreat from Ross Sea, and funding was provided by NSF grant(s): OPP91-19683