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SeaMARC 1A sidescan sonar mosaic for the Mississippi Fan

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: January 27, 2026 | Last Modified: 2024-08-06T00:00:00Z
This ArcView GIS layer is a 25 m version of the completed SeaMARC 1A sidescan sonar mosaic.

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