Mine helmets and painted crosses at the entrance to Massey Energy's Upper Big Branch coal mine, as a memorial to the 29 miners killed there.
November 28, 2012 David C. Hughart, former president of a Massey Energy subsidiary, is pleading guilty. The charges relate to a corporate culture that investigators say contributed to the nation's worst mine disaster in 40 years. Twenty nine miners died at one of Massey's West Virginia mines in a 2010 explosion.
NPR thanks our sponsors
Become an NPR sponsor