25 CFR § 211.5 - Authority and responsibility of the Office of Surface Mining Reclamation and Enforcement (OSM).
The OSM is the regulatory authority for surface coal mining and reclamation operations on Indian lands pursuant to the Surface Mining Control and Reclamation Act of 1977 (30 U.S.C. 1201 et seq.). The relevant regulations for surface coal mining and reclamation operations are found in 30 CFR part 750. Those regulations apply to mining and reclamation on leases approved under this part.