@misc{indiciaeb74a5031f762,
  title = {A Retrospective Analysis on the Occurrence of Arsenic in Ground-Water Resources of the United States and Limitations in Drinking-Water-Supply Characterizations},
  author = {Michael J. Focazio and Alan H. Welch and Sharon A. Watkins and Dennis R. Helsel and Marilee A. Horn},
  year = {2000},
  doi = {10.3133/wri994279},
  url = {https://pubs.usgs.gov/publication/wri994279},
  note = {Source identifier: wri994279}
}