@misc{indiciae694ec83f77fa,
  title = {Hydrogeologic atlas of the Norrisville Quadrangle, Baltimore and Harford Counties, Maryland},
  author = {Edmond G. Otton and J.T. Hilleary},
  year = {1983},
  url = {https://pubs.usgs.gov/publication/70047501},
  note = {Source identifier: 70047501}
}