@misc{indiciae037ed7998e2f,
  title = {Geochemical characterization of groundwater discharging from springs north of the Grand Canyon, Arizona, 2009–2016},
  author = {Kimberly R. Beisner and Fred D. Tillman and Jessica R. Anderson and Ronald C. Antweiler and Donald J. Bills},
  year = {2017},
  doi = {10.3133/sir20175068},
  url = {https://pubs.usgs.gov/publication/sir20175068},
  note = {Source identifier: sir20175068}
}