@misc{indiciaef2926b814307,
  title = {Methane in aquifers used for public supply in the United States},
  author = {Peter B. McMahon and Kenneth Belitz and Jeannie R. B. Barlow and Bryant C. Jurgens},
  year = {2017},
  doi = {10.1016/j.apgeochem.2017.07.014},
  url = {https://pubs.usgs.gov/publication/70190030},
  note = {Source identifier: 70190030}
}