@misc{indiciaef89750602d64,
  title = {Potentiometric surface of the Lower Patapsco Aquifer in southern Maryland, September 2003},
  author = {Stephen E. Curtin and David C. Andreasen and Judith C. Wheeler},
  year = {2006},
  doi = {10.3133/ofr20051010},
  url = {https://pubs.usgs.gov/publication/ofr20051010},
  note = {Source identifier: ofr20051010}
}