@misc{indiciaed00a20375a4c,
  title = {Hydrochemical facies and ground-water flow patterns in northern part of Atlantic Coastal Plain},
  author = {William Back},
  year = {1966},
  doi = {10.3133/pp498a},
  url = {https://pubs.usgs.gov/publication/pp498A},
  note = {Source identifier: pp498A}
}