Section 622. Blasts Fired in Mine Using Safety Lamps Only by Permission of Mine Foreman.--No blast shall be fired in any mine where locked safety lamps are used except by permission of the mine foreman or his assistants.
Blasts Fired in Mine Using Safety Lamps Only by Permission of Mine Foreman
Act 346 of 1965, § 622, under PENNSYLVANIA ANTHRACITE COAL MINE ACT.
Act 346 of 1965, § 622