30 C.F.R. § 56.19100 Shaft landing gates.
Title 30 - Mineral Resources
Shaft landings shall be equipped with substantial safety gates so constructed that materials will not go through or under them; gates shall be closed except when loading or unloading shaft conveyances.
Title 30: Mineral Resources
PART 56—SAFETY AND HEALTH STANDARDS—SURFACE METAL AND NONMETAL MINES
Subpart R—Personnel Hoisting
Shafts
§ 56.19100 Shaft landing gates.