@misc{indiciae07774a39e664,
  title = {Acid mine drainage},
  author = {Jerry M. Bigham and Charles A. Cravotta},
  year = {2016},
  doi = {10.1081/e-ess3-120053867},
  url = {https://pubs.usgs.gov/publication/70182719},
  note = {Source identifier: 70182719}
}