The new passages were made by blasting into New York City's bedrock, made out of tough Manhattan Schist, and were miraculously completed on time and under budget, officials said. “A thousand ...

NEW YORK (1010 WINS) — A dilapidated tunnel in ... “A thousand tons of dirt and 140 feet of Manhattan Schist couldn’t get in the way of another on-time and under-budget MTA capital project ...