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1957-1958 -- Antarctica International Geophysical Year Ross Ice Shelf (Antarctica) Antarctica -- Discovery and exploration -- Photographs people equipment animal ice ship scenic structure aviation science Antarctica -- Discovery and exploration Arctic Ocean Ocean bottom Oceanography *GEOLOGICAL SURVEYS *OCEANOGRAPHIC DATA Antarctica -- Discovery and exploration -- American Ice station CHARLIE (ALPHA II) -- 1959-1960 Little America MARINE BIOLOGY North Pole -- Discovery and exploration OCEAN BOTTOM Ocean bottom--Arctic Ocean Oceanography--Arctic Ocean PHOTOGRAPHIC ANALYSIS POLAR REGIONS Ross Ice Shelf -- Discovery and exploration