USCS Robert J. Walker
Atlantic City, United States · built 1844
USCS Robert J. Walker was a survey ship that served in the United States Coast Survey, a predecessor of the United States Coast and Geodetic Survey, from 1848 until sinking in 1860 after a collision at sea. Her loss resulted in the death of 21 men, the greatest loss of life in single incident ever to befall the National Oceanic and Atmospheric Administration or any of its ancestor agencies. It was added to the National Register of Historic Places on March 19, 2014.
Archaeological site data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).