Section 233. Mine Foreman, Permission for Blasts in Mine Where Locked Safety Lamps Are in Use.--No blast shall be fired in any mine where locked safety lamps are used except by permission of the mine foreman or his assistants.
Mine Foreman, Permission for Blasts in Mine Where Locked Safety Lamps Are in Use
Act 346 of 1965, § 233, under PENNSYLVANIA ANTHRACITE COAL MINE ACT.
Act 346 of 1965, § 233