The US Bankruptcy Court granted an order for the joint administration of the Chapter 11 bankruptcy cases of Cloud Peak Energy Inc. and its affiliates on May 14, 2019. The affiliates include Antelope Coal LLC, Arrowhead I LLC, Arrowhead III LLC, Arrowhead II LLC, Big Metal Coal Co. LLC, Caballo Rojo LLC, Caballo Rojo Holdings LLC, Cloud Peak Energy Logistics LLC, Cloud Peak Energy Logistics I LLC, Cloud Peak Energy Resources LLC, Cloud Peak Energy Services Company, Cloud Peak Energy Finance Corp, Cordero Mining Company, Cordero Mining Holdings LLC, Cordero Oil And Gas LLC, Kennecott Coal Sales LLC, NERCO LLC, NERCO Coal LLC, NERCO Coal Sales LLC, Prospect Land and Development LLC, Sequatchie Valley Coal Corporation, Spring Creek Coal LLC, Western Minerals LLC, Youngs Creek Mining Company LLC, Youngs Creek Holdings I LLC, Youngs Creek Holdings II LLC and CPE Resource Development LLC. The case would be jointly administered for administrative and procedural purposes. Cloud Peak Energy Inc. has been designated as the lead debtor.