@misc{indiciae3b17aab67fc8,
  title = {Secondary minerals and acid mine-water chemistry},
  author = {Charles N. Alpers and D.W Blowes and D. Kirk Nordstrom and J.L. Jambor},
  year = {1994},
  url = {https://pubs.usgs.gov/publication/70195437},
  note = {Source identifier: 70195437}
}