Workers excavating the site of the underground vehicle security center for the future World Trade Center in New York this week discovered the remains of a wooden ship that likely dates back to the mid- to late 18th century.

The 30-foot length of the vessel had been discovered about 20 to 30 feet below street level on the World Trade Center site, the first such large-scale archaeological find along the Manhattan waterfront since 1982, when an 18th-century cargo ship came to light at 175 Water Street, according to the New York Times.

A 1797 map shows that the excavation site is close to where Lindsey's Wharf and Lake's Wharf once projected into the Hudson.

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