@misc{indiciaef95bb2eec426,
  title = {Potentiometric surface of the lower Patapsco Aquifer in southern Maryland, September 1998},
  author = {Stephen E. Curtin and D. C. Andreasen and Frederick K. Mack},
  year = {2000},
  doi = {10.3133/ofr0086},
  url = {https://pubs.usgs.gov/publication/ofr0086},
  note = {Source identifier: ofr0086}
}