Processed ship-based Multibeam Sonar Data acquired in the northern Pacific Ocean during the Thomas Washington expedition PPTU11WT (1986)

This data set was acquired with a ship-based SeaBeam Classic Multibeam Sonar system during Thomas Washington expedition PPTU11WT conducted in 1986 (Chief Scientist: Dr. Peter Lonsdale). These data files are of MBSystem format and include Swath Bathymetry data that have not been processed. These data are included in the GMRT Synthesis, version 1.