Anfitrite Breakers vigia. No indication of a shoal or other feature in the area.
Main search is east-west as it was assumed that latitude would have been more
accurate than longitude as observed by reporting ship. In: Report and Charts of
the Cruise of the U.S. Surveying Brig DOLPHIN: Samuel Phillips Lee, U.S. Navy.
Commanding. Senate Executive Document No. 59. 33rd Congress, 1st Session.