'Tragically, in 2006, an explosion in one of these in Sago, West Virginia left 12 dead'
a coal mine
DISASTERS: Tragically, in 2006, an explosion in one of these in Sago, West Virginia left 12 dead
Tragically, in 2006, an explosion in one of these in Sago, West Virginia left 12 dead
Tragically, in 2006, an explosion in one of these in Sago, West Virginia left 12 dead
DISASTERS
a coal mine
DISASTERS