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Southeast corner of chart of Track of the U.S. Surveying Brig DOLPHIN: SamuelPhillips Lee, U.S. Navy. Commanding. Senate Executive Document No. 59.33rd Congress, 1st Session. Chart shows currents, winds, limit of depthobservations, air temperature, water surface temperature, station locations, etc. The Le Pacifique was location of an observed earthquake in the Volcanic Region