@misc{indiciaedfa7ceafe8e0,
  title = {Simulated ground-water flow in the Potomac aquifers, New Castle County, Delaware},
  author = {Mary Martin},
  year = {1984},
  doi = {10.3133/wri844007},
  url = {https://pubs.usgs.gov/publication/wri844007},
  note = {Source identifier: wri844007}
}