This data set was acquired with a ship-based Kongsberg EM1002 Multibeam Sonar system during Hesperides expedition HE102 conducted in 2005 (Chief Scientist: Dr. Jesus Ibanez; Investigator(s): Dr. Andrew Barclay and Dr. William Wilcock). These data files are of MBSystem format and include Swath Bathymetry, Acoustic Backscatter, and Sidescan data that have not been processed. Data were acquired as part of the project(s): ToMoDec, and funding was provided by NSF grant(s): ANT02-30094. This data was cited by Barclay et al., 2008.