@misc{indiciaefdb3315342e8,
  title = {Memorandum describing the geology and ground-water conditions in the vicinity of Simpsonville, Maryland},
  author = {E. G. Otton},
  year = {1955},
  doi = {10.3133/ofr55127},
  url = {https://pubs.usgs.gov/publication/ofr55127},
  note = {Source identifier: ofr55127}
}