30 C.F.R. § 57.19108 Posting warning signs during shaft work.
Title 30 - Mineral Resources
When persons are working in a shaft “Men Working in Shaft” signs shall be posted at all devices controlling hoisting operations that may endanger such persons.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Shafts
§ 57.19108 Posting warning signs during shaft work.
