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acid mine drainage Water pollution that results when sulfur-bearing minerals associated with coal are exposed to air and water and form sulfuric acid and ferrous sulfate. The ferrous sulfate can further react to form ferric hydroxide, or yellowboy, a yellow-orange iron precipitate found in streams and rivers polluted by acid mine drainage. Related categories • ECOLOGY AND THE ENVIRONMENT Source: Energy Information Administration Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) |