Home | Coal Mining Services | Big Sky Coal Co State Highway 39 Colstrip, MT 59323 Phone : (406) 748-5740 Yellowstone Coal 848 Main St # 6a Billings, MT 59105 Phone : (406) 256-9101 Westmoreland Resources Inc Po Box 449 Hardin, MT 59034 Phone : (406) 342-5241 Spring Creek Coal Co Lake Shore Dr Decker, MT 59025 Phone : (406) 757-2581 Consolidation Coal Co Decker, MT 59025 Phone : (406) 757-2285 Bmpii 127 Pm Coal Rd Roundup, MT 59072 Phone : (406) 323-4345 Westmoreland Savage Corp 490 N 31st St # 307 Billings, MT 59101 Phone : (406) 252-2277 Western Energy Co 138 Rosebud Ln Colstrip, MT 59323 Phone : (406) 748-5100