Pennsylvania Statutes Title 52 P.S. Mines and Mining § 1385. Miner entitled to receive full and exact wages

Any miner employed by an individual, firm or corporation for the purpose of mining bituminous coal, shall be entitled to receive from his employer, and failing to receive, then to collect by due process of law, at such rates as may have been agreed upon between the employer and the employe, full and exact wages accruing to him for the mining of all coal so mined by him. In the adjudication of such wages eighty pounds shall be deemed one bushel, and two thousand pounds net shall be deemed one ton of coal.