30 C.F.R. § 45.2 Definitions.
Title 30 - Mineral Resources
As used in this part: (a) Act means the Federal Mine Safety and Health Act of 1977, Pub. L. 91–173, as amended by Pub. L. 95–164; (b) District Manager means the District Manager of the Mine Safety and Health Administration District in which the independent contractor is located; (c) Independent contractor means any person, partnership, corporation, subsidiary of a corporation, firm, association or other organization that contracts to perform services or construction at a mine; and, (d) Production-operator means any owner, lessee, or other person who operates, controls or supervises a coal or other mine.
Title 30: Mineral Resources
PART 45—INDEPENDENT CONTRACTORS
§ 45.2 Definitions.

