@misc{indiciaeb54e7fdd3356,
  title = {Arsenic in ground water of the United States: occurrence and geochemistry},
  author = {Alan H. Welch and D.B. Westjohn and Dennis R. Helsel and Richard B. Wanty},
  year = {2005},
  doi = {10.1111/j.1745-6584.2000.tb00251.x},
  url = {https://pubs.usgs.gov/publication/70022646},
  note = {Source identifier: 70022646}
}