A service of Salisbury University and University of Maryland Eastern Shore

Mine Safety Agency Reports Failures Before Deadly Explosion

By Howard Berkes
Published March 6, 2012 at 3:54 PM EST
  • Facebook
  • Twitter
  • Email
  • Facebook
  • Twitter
  • Email
Howard Berkes
Howard Berkes is a correspondent for the NPR Investigations Unit.
See stories by Howard Berkes