Wedoany.com Report-Jun 10, The U.S. Department of the Interior (DOI) has approved an expansion of the Bull Mountains coal mine in Montana, enabling Signal Peak Energy to extract an additional 22.8 mil...

Wedoany.com Report-Jun 9, On Friday, the U.S. Interior Department approved a plan by Signal Peak Energy to expand coal mining operations at the Bull Mountains mine in Montana’s Musselshell and Y...