Ship-based Trackline Geophysical Data (MGD77) acquired during the Maurice Ewing expedition EW9103 (1991)

This data set was acquired with a ship-based Atlas Hydrosweep DS Multibeam Sonar system, Varian Inc. V75 Magnetometer, and Bodenseewerk KSS-30 Gravimeter during Maurice Ewing expedition EW9103 conducted in 1991 (Chief Scientist: Dr. Marcia McNutt). These data files are of MGD77 format and include Gravity Field, Magnetic Field, and Singlebeam Bathymetry data and were processed after data collection. Data were acquired as part of the project(s): Structure of Two Polynesian Volcanic Chains. Marquesas and Societies, and funding was provided by NSF grant(s): OCE88-17764, OCE88-17804, OCE88-20147, and OCE92-96016.