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Abstract
The results of processing of an ice core to a depth of 2,755 m, which encompasses the last two climatic cycles, are examined. Data on deuterium content in the ice are analyzed, as are paleotemperature, content of continental dust in the ice, and change in the isotopic composition of atmospheric oxygen extracted from the ice core. The problems involved in completing hole drilling are discussed and in this connection the characteristics of a large under‐ice lake in the vicinity of the Vostok station are described.