@misc{indiciae0df91e586739,
  title = {An appraisal of the ground-water resources of the Upper Susquehanna River basin in Pennsylvania},
  author = {Paul R. Seaber},
  year = {1968},
  doi = {10.3133/ofr68248},
  url = {https://pubs.usgs.gov/publication/ofr68248},
  note = {Source identifier: ofr68248}
}