@misc{indiciae8b09978c95bc,
  title = {Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1984},
  author = {Frederick K. Mack and Judith C. Wheeler and Stephen E. Curtin and David C. Andreasen},
  year = {1985},
  doi = {10.3133/wri854338},
  url = {https://pubs.usgs.gov/publication/wri854338},
  note = {Source identifier: wri854338}
}