§57.9361. Drawholes.
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.
Notes, amendments, and revision history
Source
Source: 53 FR 32526, Aug. 25, 1988, unless otherwise noted.
Authority
Authority: 30 U.S.C. 811.
Source
Source: 50 FR 4082, Jan. 29, 1985, unless otherwise noted.