@misc{indiciae0067be14448a,
  title = {Groundwater quality in the glacial aquifer system, United States},
  author = {Paul E. Stackelberg},
  year = {2017},
  doi = {10.3133/fs20173055},
  url = {https://pubs.usgs.gov/publication/fs20173055},
  note = {Source identifier: fs20173055}
}