Short description: Acid mine drainage in Cherokee County. The discovery of zinc ore near Galena in Cherokee County in 1870 marked the beginning of a century of lead and zinc mining in the area. In the early 1980s, studies identified nearly 600 open shafts and collapsed mines in and around the town. In 1994 and 1995, the U.S. Environmental Protection Agency and local citizens filled in the hazards.
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