30 C.F.R. § 57.9361
Current through September 30, 2024
To prevent hazards to persons underground, collars of open drawholes shall be free of muck or materials except during transfer of the muck or material through the drawhole.
30 C.F.R. §57.9361
To prevent hazards to persons underground, collars of open drawholes shall be free of muck or materials except during transfer of the muck or material through the drawhole.
30 C.F.R. §57.9361