@misc{indiciae69d2b939bad6,
  title = {Selected ground-water-quality data in Pennsylvania - 1979-2006},
  author = {Dennis J. Low and Douglas C. Chichester and Linda F. Zarr},
  year = {2009},
  doi = {10.3133/ds314},
  url = {https://pubs.usgs.gov/publication/ds314},
  note = {Source identifier: ds314}
}