Pettaquamscutt River, RI (April 1999)

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Sean Sylva crushing dry ice for the freeze corer. (Ana Lima)

John King (URI), Chris Reddy (WHOI), and Sean Sylva (WHOI) loading the freeze corer with dry ice and methanol. (Ana Lima)

Freeze corer being brought to the surface. (Ana Lima)

John King (URI) scraping excess sediment away from the freeze corer. (Ana Lima)

Freeze core ready to be wrapped in Al foil and packed in dry ice. (Ana Lima)