So Pacific Ocean
Chile
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over trench, off Caldera
09Apr1972
2320
27°04.5'S - 071°43.0'W
-27.075, -71.717
-42 - -72.261
800 m
3860 fm
Southtow III/MV 72-I
11 (MV 72-I-14)
RV Thomas Washington
IKMT
RL Wisner & party, SIO
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