Union Colliery Company
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The Union Colliery Company was a bituminous coal mining company based in St. Louis Missouri. The company had branch offices in Milwaukee, Racine, and Kenosha, Wisconsin, as well as Detroit, Michigan.[1][2]
The company was acquired in 1937 by East St. Louis Light and Power.[3] This company eventually became Union Electric Company.[4][5] It remained a subsidiary until ceasing operations in June, 1958.[6]
