E Trop Pacific Ocean
Costa Rica
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Islas Cocos: Chatham Bay
26Dec1952
1100
5°33.0'N - 087°02.6'W
5.550, -87.043
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surface
4 fms
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UCLA W53-134; K52-20
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dipnet
BW Halstead
Salt, clear
27ÂșC
Coral and sand. Shore: Rocky
None
mild
high