@misc{indiciaee28f84c6f319,
  title = {Potentiometric surface of the Aquia Aquifer in southern Maryland, September 2003},
  author = {Stephen E. Curtin and David C. Andreason and Judith C. Wheeler},
  year = {2005},
  doi = {10.3133/ofr20051004},
  url = {https://pubs.usgs.gov/publication/ofr20051004},
  note = {Source identifier: ofr20051004}
}