The operator or superintendent of every mine or colliery shall provide and maintain a constant and adequate supply of pure air for the same, as hereinafter provided for in article V.
52 P.S. § 70-265
The operator or superintendent of every mine or colliery shall provide and maintain a constant and adequate supply of pure air for the same, as hereinafter provided for in article V.
52 P.S. § 70-265