[Statutory Provision]
Sections 75.401 , 75.402 , and 75.403 shall not apply to underground anthracite mines.
30 C.F.R. §75.404
[Statutory Provision]
Sections 75.401 , 75.402 , and 75.403 shall not apply to underground anthracite mines.
30 C.F.R. §75.404