@misc{indiciaeff9dafabc1cd,
  title = {Priority pollutants and associated constituents in untreated and treated discharges from coal mining or processing facilities in Pennsylvania, USA},
  author = {III Cravotta and Keith B.C. Brady},
  year = {2015},
  doi = {10.1016/j.apgeochem.2015.03.001},
  url = {https://pubs.usgs.gov/publication/70159279},
  note = {Source identifier: 70159279}
}