This data set was acquired with a ship-based Kongsberg EM120 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 Acoustic Backscatter, Sidescan, and Swath Bathymetry 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.