@misc{indiciaee93dc5ad28a7,
  title = {Conceptualization and analysis of ground-water flow system in the coastal plain of Virginia and adjacent parts of Maryland and North Carolina},
  author = {John F. Harsh and Randell J. Laczniak},
  year = {1986},
  doi = {10.3133/ofr86425w},
  url = {https://pubs.usgs.gov/publication/ofr86425W},
  note = {Source identifier: ofr86425W}
}