@misc{indiciae97baea611478,
  title = {The association of arsenic with redox conditions, depth, and ground-water age in the glacial aquifer system of the northern United States},
  author = {Mary Ann Thomas},
  year = {2007},
  doi = {10.3133/sir20075036},
  url = {https://pubs.usgs.gov/publication/sir20075036},
  note = {Source identifier: sir20075036}
}