The remembrance ceremony will take place Tuesday in Whitesville , which is located 30 miles south of Charleston . The Upper Big Branch mine explosion killed 29 men . It is the worst mining disaster in the United States since 1972 . The mine had a spotty safety record . Score: 7
The Upper Big Branch mine explosion killed 29 men . It is the worst mining disaster in the United States since 1972 . The mine had a spotty safety record . Score: 7