@misc{indiciaed6bfe5cc8bb4,
  title = {Hydrogeologic atlas, Lineboro quadrangle, Carroll County, Maryland},
  author = {M.T. Duigon and E. G. Otton and John T. Hilleary},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/70047516},
  note = {Source identifier: 70047516}
}