E Trop Pacific Ocean
Costa Rica
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Islas Cocos: Chatham Bay, freshwter stream, at least 200 yds above high tide marks
29Apr1963
0900
5°32.9'N - 087°02.6'W
5.548, -87.043
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0.5-1 ft
0.5-1 ft
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UCLA W63-144; 63042901
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common sense seine
H Fierstine and party
fresh; clear
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Rocks (cobbles) with a little sand in-between
none
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outgoing