This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP9601 conducted in 1996 (Chief Scientist: Dr. Bruce Luyendyk). 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): Glacial Marine Stratigraphy in the Eastern Ross Sea and Western Marie Byrd Land, and funding was provided by NSF grant(s): OPP93-16710.