@misc{indiciaeb02423ddfcef,
  title = {Availability of ground water in Montgomery County, Maryland},
  author = {Claire A. Richardson},
  year = {1977},
  doi = {10.3133/ofr76882},
  url = {https://pubs.usgs.gov/publication/ofr76882},
  note = {Source identifier: ofr76882}
}