@misc{indiciae59a686b5ff70,
  title = {Vermont ground-water quality},
  author = {J. E. Cotton and David Butterfield},
  year = {1987},
  doi = {10.3133/ofr87758},
  url = {https://pubs.usgs.gov/publication/ofr87758},
  note = {Source identifier: ofr87758}
}