The piston coring rig deployed over the stern, and just prior to sampling.
Deployed Coring Rig
Image courtesy of A. Evans, Paleolandscapes and the ca. 8,000 BP Shoreline of the Gulf of Mexico Outer Continental Shelf 2020. Download larger version (jpg, 2 MB).

The piston coring rig deployed over the stern, and just prior to sampling.

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