Copper Range Co. v. Unemployment Compensation Commission

Plaintiff Copper Range Company, a Michigan corporation, is engaged in the mining, milling and smelting of copper. Prior to September 20, 1945, it employed 596 men in its mining operations at Painesdale, Michigan, 67 in its mill at Preda, and 83 in its smelter at Coles Creek. These employees are members of the International Union of Mine, Mill and Smelter Workers, C.I.O., United Copper Workers, Local 494. Plaintiff’s relations with its employees are expressed by a written working agreement dated May 10, 1945. Under this agreement, rates of pay are governed by those in effect on September 30,…