@misc{indiciaeae94295727b3,
  title = {Perchlorate and selected metals in water and soil within Mount Rushmore National Memorial, South Dakota, 2011–15},
  author = {Galen K. Hoogestraat and Barbara L. Rowe},
  year = {2016},
  doi = {10.3133/sir20165030},
  url = {https://pubs.usgs.gov/publication/sir20165030},
  note = {Source identifier: sir20165030}
}