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During the Capricorn Expedition (1952-1953) a stopover at Palmerston Island was made, in this photo we see local natives aboard the ships for a visit. Palmerston Island is a coral atoll in the Cook Islands in the Pacific Ocean. This was the first Scripps expedition to use scuba divers to explore the Pacific. Research ships Horizon and the Spencer F. Baird mapped seamounts and guyots and other features of the Pacific seafloor. Scientists studied the 35,400 foot deep Tonga Trench, the second deepest place in the ocean, and measured heat flow on the East Pacific Rise. Janaury 12, 1953.

During the Capricorn Expedition (1952-1953) a stopover at Palmerston Island was made, in this photo we see local natives a...