This data set was acquired with a ship-based Navigation system during Laurence M. Gould expedition LMG0514A conducted in 2005 (Chief Scientist: Dr. Ken L. 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): Free drifting icebergs: Influence of floating islands on pelagic ecosystems in the Weddell Sea., and funding was provided by NSF grant(s): OPP05-29815.