Jones and Laughlin Steel Company

Notes

Time Line

1937. The Marquette iron range was the scene of major developments in low grade ore (jasper) concentration and agglomeration. The Marquette Iron Mining Co., Republic mine and mill had its first full year of operation with separation of the non-magnetic iron being done by the froth flotation method. The firm's agglomeration plant, incorporating several features new to the area, was placed in service late in the season at Eagle Mills, Mich. just east of Negaunee. The Marquette Mining Co. is comprised of the following firms: CCI, Wheeling Steel, Inland Steel, International Harvester, Jones & Laughlin Steel with CCI managing the operations. [EFP-1937-0114]