@misc{indiciaeb49410987b49,
  title = {U.S. Geological Survey ground-water studies in Pennsylvania},
  author = {C. R. Wood},
  year = {1988},
  doi = {10.3133/ofr88149},
  url = {https://pubs.usgs.gov/publication/ofr88149},
  note = {Source identifier: ofr88149}
}