E Trop Pacific Ocean
Costa Rica
Guanacaste
Golfo de Nicoya, Cedros Island, rocky point on N side
21Mar1953
1300
09°51.1'N - 084°52.9'W
9.852, -84.882
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0-3 fms
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UCLA W54-76
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Cube’ root (rotenone); skin diving; dipnets, etc
D Erdman; C Peterson
Fairly clear
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Rock and sand
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Extreme low