Covered in seagrass, the chirp subbottom profiler sits on deck following completion of a survey grid.
The Chirp Subbottom Profiler
Image courtesy of Paleolandscapes and the ca. 8,000 BP Shoreline of the Gulf of Mexico Outer Continental Shelf. Download larger version (jpg, 5.7 MB).

Covered in seagrass, the chirp subbottom profiler sits on deck following completion of a survey grid.

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