This data set was acquired with a ship-based Navigation system during Nathaniel B. Palmer expedition NBP0703 conducted in 2007 (Chief Scientist: Dr. John Anderson). These data files are of MGDS:Nav format and include Primary Navigation data and were processed after data collection. Data were acquired as part of the project(s): Collaborative Research: Controls on Sediment Yields from Tidewater Glaciers from Patagonia to Antarctica, and funding was provided by NSF grant(s): OPP03-38137 and OPP03-38371.