52 Pa. Stat. § 70-510
Current through Pa Acts 2024-53, 2024-56 through 2024-111
The inlet and return air passages for any particular district must be separated by a pillar of coal or stone, if the thickness and dip of the vein will permit, except where it is necessary to cut through said dividing pillar for the purposes of ventilation, traffic or drainage.
52 P.S. § 70-510