30 C.F.R. § 57.9260 Supplies, materials, and tools on mantrips.
Title 30 - Mineral Resources
Supplies, materials, and tools, other than small items that can be carried by hand, shall not be transported underground with persons in mantrips. Mantrips shall be operated independently of ore or supply trips.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart H—Loading, Hauling, and Dumping
Transportation of Persons and Materials
§ 57.9260 Supplies, materials, and tools on mantrips.

