@misc{indiciaeb90bcb31cd8a,
  title = {Evaluation of the ground-water resources of the lower Susquehanna River basin, Pennsylvania and Maryland},
  author = {James M. Gerhart and George J. Lazorchick},
  year = {1985},
  doi = {10.3133/ofr84748},
  url = {https://pubs.usgs.gov/publication/ofr84748},
  note = {Source identifier: ofr84748}
}