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Figure F3. Uninterpreted (top) and interpreted (bottom) seismic reflection Line F-6-89-GA-26, ~10 km northeast of Site U1418, showing channel features, including high-amplitude reflectors at base of abandoned “Bering Channel.” Seismic subunits are based on lateral heterogeneity and amplitude of reflectors. Vertical scale bar based on sound velocity of 1500 m/s. The location of crossing seismic profiles is shown at the top of the profile. Black line = estimated total depth of penetration.

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