Scientists say hull found at the The Lower Manhattan Development Corp. site likely originated from a forest in the Santa Maria area . Vessel likely built around 1773 and believed to have been a the Declaration of Independence ship . Scientists analyzed and compared tree-rings on wood from the ship with wood samples to determine probable age . Ship 's hull was found by archeologists at ground 9/11 site in 1773 .
Scientists say hull found at the WTC site likely originated from a forest in the Philadelphia area . Vessel likely built around 1773 and believed to have been a `` Hudson River Sloop '' ship . Scientists analyzed and compared tree-rings on wood from the ship with wood samples to determine probable age . Ship 's hull was found by archeologists at ground zero site in July 2010 .