In 1984, the U.S. Geological Survey (USGS), Office of Marine Geology, launched a program using the Geological LOng-Range Inclined Asdic (GLORIA) sidescan-sonar system to study the entire U.S. Exclusiv
These files have been produced in an effort to map the landforms within the ejecta to the south of Hale Crater. Included here are shapefiles outlining distinct regions within the study site and major