This data set was acquired with a Kongsberg Maritime EM122 Multibeam Sonar during R/V Nathaniel B. Palmer expedition NBP1610 conducted in 2016 (Chief Scientist: Dr. Greg Ulses, Investigator: Dr. Greg Ulses). These data files are of MBSystem-compatible format and include Acoustic Backscatter and Swath Bathymetry data that have not been processed. Data were acquired as part of the project(s): Operations and Maintenance of the Ocean Observatories Initiative (OOI). Funding was provided by NSF award(s): OCE10-26342.