Errant Subway Blast in New York Strayed From Approved Plan

Drilling angled holes rather than vertical holes was one error that led to underground blasting for the Second Avenue subway.
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Errant Subway Blast in New York Strayed From Approved Plan
A view of the cavern and the future Second Avenue subway 72nd Street station, seen in March. An errant blast Aug. 22 happened in a shaft off the cavern. (Amal Chen/The Epoch Times)
Zachary Stieber
9/13/2012
Updated:
10/1/2015
<a><img class="size-large wp-image-1781898" src="https://www.theepochtimes.com/assets/uploads/2015/09/20120307-IMG_5466.jpg" alt=" A view of the cavern and the future Second Avenue subway 72nd Street station, seen in March" width="590" height="393"/></a>
A view of the cavern and the future Second Avenue subway 72nd Street station, seen in March