@misc{indiciaedf7153749f38,
  title = {Selected ground-water data, Chester County, Pennsylvania},
  author = {Ronald A. Sloto},
  year = {1989},
  doi = {10.3133/ofr87217},
  url = {https://pubs.usgs.gov/publication/ofr87217},
  note = {Source identifier: ofr87217}
}