Ship-based Trackline Geophysical Data (MGD77) acquired during the Maurice Ewing expedition EW9009 (1990)

This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system during Maurice Ewing expedition EW9009 conducted in 1990 (Chief Scientist: Dr. Gregory Mountain). 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): Geometry and Timing of Upper Oligocene to Miocene Depositional Sequences on the U.S. Middle Atlantic Margin, and funding was provided by NSF grant(s): DPP89-11810, OCE92-03282, and OCE92-03344.