@misc{indiciae99e795d12ea1,
  title = {Ground-water concerns for the Eastern Shore, Virginia},
  author = {D.L. Richardson},
  year = {1993},
  doi = {10.3133/ofr9393},
  url = {https://pubs.usgs.gov/publication/ofr9393},
  note = {Source identifier: ofr9393}
}