Processed ship-based Multibeam Sonar Data (version 2) acquired along the East Pacific Rise (EPR) Spreading Center during the Thomas Washington expedition RAPA04WT (1991)

This data set was acquired with a ship-based SeaBeam Classic Multibeam Sonar system during Thomas Washington expedition RAPA04WT conducted in 1991 (Chief Scientist: Dr. Ken Macdonald). These data files are of MBSystem format and include Swath Bathymetry data and were processed by the at-sea science party and the GMRT Team using the open source MB-System multibeam sonar processing software. These data are included in the GMRT Synthesis, version 1. Funding was provided by NSF grant(s): N00014-90-J-1645.