Time and again over the past four years, federal mining inspectors documented the same litany of problems at central West Virginia's Sago Mine: mine roofs that tended to collapse without warning. Faulty or inadequate tunnel supports. A dangerous buildup of flammable coal dust. -
Safety Violations Have Piled Up at Coal Mine
Time and again over the past four years, federal mining inspectors documented the same litany of problems at central West Virginia's Sago Mine: mine roofs that tended to collapse without warning. Faulty or inadequate tunnel supports. A dangerous buildup of flammable coal dust.-
By Joby Warrick