A subsidiary company of Arch Coal, Inc. Thunder Basin is the operator of both Black Thunder and Coal Creek Mines.
Arch Resources – Thunder Basin Coal Company
| Physical Address | Mailing Address |
| 5669 Highway 450 | P.O. Box 406 |
| Wright, WY 82732 | Wright, WY 82717 |
(307) 939-1300 phone
(307) 464-2313 fax
Personnel
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