@misc{indiciaea6862e55a1aa,
  title = {U.S. Geological Survey ground-water studies in Virginia},
  author = {J. D. Powell and G. K. Speiran and G. S. Anderson},
  year = {1988},
  doi = {10.3133/ofr88135},
  url = {https://pubs.usgs.gov/publication/ofr88135},
  note = {Source identifier: ofr88135}
}