@misc{indiciae9b7c9cc15fa1,
  title = {Mine waters: Acidic to circumneutral},
  author = {D. Kirk Nordstrom},
  year = {2011},
  doi = {10.2113/gselements.7.6.393},
  url = {https://pubs.usgs.gov/publication/70189942},
  note = {Source identifier: 70189942}
}