Results of a seismic and gravity study at the South Pole during the 1961-62 austral summer are presented. Seismic compressional waves in the ice at the South Pole are shown to reach a maximum velocity of 3,925 m/sec at a depth of 186 m. This depth is attributed to the density profile of the ice. An ice thickness of 2,900 m is indicated from seismic reflection shooting. Gravity data reveal flat topography underlying the ice in the vicinity of the South Pole.

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