This data set was acquired with a Multi-Channel Seismic system during Maurice Ewing expedition EW9101 conducted in 1991 (Chief Scientist: Dr. James Austin; Investigator(s): Dr. Ian Dalziel). These data files are of Text File (ASCII) format and include Seismic Navigation data and were processed after data collection. Data were acquired as part of the project(s): The Bransfield Strait-South Shetland Islands/Trench: Structural and Stratigraphic Evolution of a Linked(?) Back-arc/Fore-arc System and The Pacific Margin of the Antarctic Pennisula: A Marine Geophysical Study of the Tectonic Evolution of Andean-Type Orogens, and funding was provided by NSF grant(s): DPP89-17332 and OCE94-18135. This data was cited by Barker and Austin, 1994, Barker, 1997, and Barker and Austin, 1998.