This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP0008 conducted in 2000 (Chief Scientist: Dr. Stan Jacobs). These data files are of SHP format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): Shelf and Bottom Water Formation Near East Antarctic Polynyas and Glaciers and Circumpolar Deep Water and the West Antarctic Ice Sheet, and funding was provided by NSF grant(s): OPP97-25024 and OPP99-09374.