@misc{indiciae808a0b696450,
  title = {Hydrogeology and water quality of the shallow ground-water system in eastern York County, Virginia},
  author = {D.L. Richardson and A. R. Brockman},
  year = {1992},
  doi = {10.3133/wri924090},
  url = {https://pubs.usgs.gov/publication/wri924090},
  note = {Source identifier: wri924090}
}