"Though sources vary on its exact depth, it is thought to be located 105 to 109 feet (32 to 33 m) below ground, or either 10 or 13 stories deep. It is considere

"Though sources vary on its exact depth, it is thought to be located 105 to 109 feet (32 to 33 m) below ground, or either 10 or 13 stories deep. It is considered the deepest basement in New York City, deeper than at the World Trade Center or Federal Reserve Bank of New York."