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Blue hole explorer
b'Jim Culter, Manager of the Benthic Ecology Program at Mote, is a technical cave diver who ventures where few dare to go: into Florida\\u2019s underwater caves and sinkholes called blue holes. Jim tells Joe and Hayley what he\\u2019s learning, as the leader of the first scientific expeditions to several blue holes off west Florida. Also, Joe interrupts Hayley incessantly.'