Join scientists as they return to two dive sites they visited in 2009, hoping to excavate late Pleistocene terrestrial sediments below the modern seafloor. Here divers display a piece of bedrock chert, a common toolstone, during a 2009 dive.

Join scientists as they return to two dive sites they visited in 2009, hoping to excavate late Pleistocene terrestrial sediments from beneath the modern seafloor. Here divers from a 2009 dive display a piece of bedrock chert, a common toolstone. Image courtesy of Exploring the Submerged New World 2012 Expedition, NOAA-OER.

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Exploring the Submerged New World 2012

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