@misc{indiciae8deab004a77d,
  title = {Water levels, chloride concentrations, and pumpage in the coastal aquifers of Delaware and Maryland},
  author = {D. J. Phelan},
  year = {1987},
  doi = {10.3133/wri874229},
  url = {https://pubs.usgs.gov/publication/wri874229},
  note = {Source identifier: wri874229}
}