The Walker, while now largely forgotten, served a vital role as a survey ship, charting the Gulf Coast ‒ including Mobile Bay and the Florida Keys ‒ in the decade before the Civil War. It also conducted early work plotting the movement of the Gulf Stream along the Atlantic Coast.
Twenty sailors died when the Walker sank in rough seas in the early morning hours of June 21, 1860, ten miles off Absecon Inlet on the New Jersey coast. The crew had finished its latest surveys in the Gulf of Mexico and was sailing to New York when the Walker was hit by a commercial schooner off New Jersey. The side-wheel steamer, carrying 66 crewmembers, sank within 30 minutes. The sinking was the largest single loss of life in the history of the Coast Survey and its successor agency, NOAA.
Surveyers onboard NOAA Ship Thomas Jefferson produced this multibeam sonar image of the Walker wreck.
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