Eric Hessel and Clint Nelson take a few last minute notes and check their gauges as they prepare to conduct underwater survey in the Sea of Cortez.
 Gauge Check
Image courtesy of Amy Gusick, Sea of Cortez 2010 Expedition. Download larger version (jpg, 3.8 MB).

Eric Hessel and Clint Nelson take a few last minute notes and check their gauges as they prepare to conduct underwater survey in the Sea of Cortez.