30 C.F.R. § 56.9314 Trimming stockpile and muckpile faces.
Title 30 - Mineral Resources
Stockpile and muckpile faces shall be trimmed to prevent hazards to persons.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart H—Loading, Hauling, and Dumping
Safety Devices, Provisions, and Procedures for Roadways, Railroads, and Loading and Dumping Sites
§ 56.9314 Trimming stockpile and muckpile faces.

