Calumet District

Calumet District, heavily industrialized area, mostly in Lake county, northwestern Indiana, U.S. It lies along the southern shore of Lake Michigan, adjacent to southeastern Chicago. Following the establishment of steel plants in Gary at the start of the 20th century, the area developed from a swampy sand-dune waste into a major sector of the Chicago industrial web, comprising one of the world’s foremost industrial complexes, with mammoth steel mills, oil refineries, chemical plants, and other...