Normal0falsefalsefalseMicrosoftInternetExplorer4 In the late 1870s, Jefferson County, Alabama, and the town of Elyton (near the future Birmingham) became the focus of a remarkable industrial and mining revolution. Together with the surrounding counties, the area was penetrated by railroads. Surprisingly large deposits of bituminous coal, limestone, and iron ore--the exact ingredients for the manufacture of iron and, later, steel--began to be exploited...