@misc{indiciae005ebf8a77b8,
  title = {Geochemistry and age of groundwater in the Williston Basin, USA: Assessing potential effects of shale-oil production on groundwater quality},
  author = {Peter B. McMahon and Joel M. Galloway and Andrew G. Hunt and Kenneth Belitz and Bryant C. Jurgens and Tyler D. Johnson},
  year = {2020},
  doi = {10.1016/j.apgeochem.2020.104833},
  url = {https://pubs.usgs.gov/publication/70216804},
  note = {Source identifier: 70216804}
}