This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP0105 conducted in 2001 (Chief Scientist: Dr. Ray Smith). 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): Long-Term Ecological Research on the Antarctic Marine Ecosystem (LTER): An Ice-Dominated Environment, and funding was provided by NSF grant(s): OPP01-30525, ANT90-11927, OPP96-32763, and OPP99-10175.