The company had suspended operations last year, but work on maintenance and an $880 million modernization project to cut costs at the site was ongoing.
Not only did EPA workers inexplicably build a channel for draining mine waste, the agency crew opened up the mine without the proper equipment on-site that day.
"Substantial doubts" St-Louis-based Peabody Energy with history traced back to 1883 can continue as going concern after missing payment on $6 billion debt.