@misc{indiciaeecdea34dba5d,
  title = {Estimating natural background groundwater chemistry, Questa molybdenum mine, New Mexico},
  author = {Phillip L. Verplanck and D. Kirk Nordstrom and Geoffrey S. Plumlee and Bruce M. Walker},
  year = {2010},
  doi = {10.1130/2010.0018(07)​},
  url = {https://pubs.usgs.gov/publication/70156709},
  note = {Source identifier: 70156709}
}