@misc{indiciaed49d4c5f9535,
  title = {Hydrogeologic atlas, Phoenix quadrangle, Baltimore and Harford Counties, Maryland},
  author = {E. G. Otton and John T. Hilleary and E. Mark Sadecki},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/70047497},
  note = {Source identifier: 70047497}
}