This data set was acquired with a ship-based Navigation system during Laurence M. Gould expedition LMG0108A conducted in 2001 (Chief Scientist: Dr. Wayne Trivelpiece). 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): Penguin-Krill-Ice Interactions: The Impact of Environmental Variability on Penguin Demography and Copacabana Field Camp Opening, and funding was provided by NSF grant(s): ANT98-16616.