Ship-based Trackline Geophysical Data (MGD77) acquired during the Discoverer expedition DI-91-01 (1991)

This data set was acquired with a ship-based SeaBeam Multibeam Sonar system during Discoverer expedition DI-91-01 conducted in 1991 (Chief Scientist: Dr. Robert Embley). These data files are of MGD77 format and include Singlebeam Bathymetry data and were processed after data collection. Data were acquired as part of the project(s): Deep Tow Magnetometer survey, Cleft and Vance segments, Juan de Fuca Ridge.