@misc{indiciaeb9a8867ff425,
  title = {Effectiveness of the addition of alkaline materials at surface coal mines in preventing or abating acid mine drainage--Part 2. Mine site case studies},
  author = {Keith Brady and Michael W. Smith and Richard L. Beam and Charles A. Cravotta},
  year = {1990},
  url = {https://pubs.usgs.gov/publication/70189557},
  note = {Source identifier: 70189557}
}