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“Patio Block”

In the 1980s, the U.S. Geological Survey marked the Deep Sea Ventures site with approximately 100 concrete “patio blocks” to help them evaluate the environmental conditions in the area. One of these blocks was seen during Dive 07 of the 2019 Southeastern U.S. Deep-sea Exploration.

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Credit

Image courtesy of the NOAA Office of Ocean Exploration and Research, 2019 Southeastern U.S. Deep-sea Exploration.