@misc{indiciaeec875af80211,
  title = {Hydrogeologic framework of the shallow aquifer system of York County, Virginia},
  author = {A. R. Brockman and D.L. Richardson},
  year = {1992},
  doi = {10.3133/wri924111},
  url = {https://pubs.usgs.gov/publication/wri924111},
  note = {Source identifier: wri924111}
}