30 C.F.R. § 57.9306 Warning devices for restricted clearances.
Title 30 - Mineral Resources
Where restricted clearance creates a hazard to persons on mobile equipment, warning devices shall be installed in advance of the restricted area and the restricted area shall be conspicuously marked.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart H—Loading, Hauling, and Dumping
Safety Devices, Provisions, and Procedures for Roadways, Railroads, and Loading and Dumping Sites
§ 57.9306 Warning devices for restricted clearances.
