This data set was acquired with a ship-based Kongsberg EM120 Multibeam Sonar system during Nathaniel B. Palmer expedition NBP0602A conducted in 2006 (Chief Scientist: Dr. John Anderson). These data files are of MBSystem Compatible format and include Acoustic Backscatter, Swath Bathymetry, and Sidescan data that have not been processed. Data were acquired as part of the project(s): Shallow Drilling on the Antarctic Continential Margin (SHALDRIL), and funding was provided by NSF grant(s): ANT01-25480, ANT01-25526, ANT01-25562, and ANT01-25922.