This data set was acquired with a ship-based Gravimeter and Subbottom Profiler during Nathaniel B. Palmer expedition NBP0201 conducted in 2002 (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): Late Pleistocene to Holocene Glacial History of West Antarctica, and funding was provided by NSF grant(s): OPP99-09734