This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP9402 conducted in 1994 (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): Oceanography of the Amundsen and Bellingshausen Seas, and funding was provided by NSF grant(s): OPP92-20009.