This data set was acquired with a ship-based Gravimeter and Subbottom Profiler during Nathaniel B. Palmer expedition NBP0802 conducted in 2008 (Chief Scientist: Dr. David Caron). 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): Collaborative Research: Do crustacean zooplankton play a pivotal role in structuring heterotrophic plankton communities. and Ross-Sea outer continental shelf morphology and near-surface stratigraphy: Quaternary ice-sheet grounding-zone migrations and stratigraphy: Quaternary ice-sheet grounding-zone migrations and the LGM dilemma., and funding was provided by NSF grant(s): ANT05-42456