@misc{indiciae03e2feb5a073,
  title = {Map showing the potentiometric surface of the Magothy Aquifer in southern Maryland, September 1982},
  author = {Frederick K. Mack and Judith C. Wheeler and Stephen E. Curtin},
  year = {1982},
  doi = {10.3133/wri834282},
  url = {https://pubs.usgs.gov/publication/wri834282},
  note = {Source identifier: wri834282}
}