Arch, which operates the Black Thunder and Coal Creek mines in the Powder River Basin, will enter an “all-stock merger” with CONSOL Energy to create Core Natural Resources, according to the ...

An aerial view of Black Thunder Coal mine in northeast Wyoming. It's owned by Arch Resources Inc. (Courtesy Ecoflight) Regardless, Wyoming has structured its law so that Wyoming’s coal mines can ...

SECL Chairman and Managing Director Prem Sagar Mishra said, "It is a proud moment that two of the world's five largest coal mines are in Chhattisgarh." As per the list, Black Thunder Mine and ...