Nine months after the deadly coal mine explosion in West Virginia, federal investigators have revealed their working theory about the cause. And it directs blame toward a series of maintenance and equipment failures at the Upper Big Branch mine.
» E-Mail This » Add to Del.icio.us
Full story at http://www.npr.org/2011/01/19/133020031/feds-reveal-theory-on-why-w-va-mine-exploded?ft=1&f=1001
No comments:
Post a Comment