@misc{indiciaea6f8b8a209b8,
  title = {Water resources data, Virginia, water year 1991. Volume 2: Ground-water level and ground-water quality records},
  author = {B.J. Prugh and E.D. Powell},
  year = {1993},
  doi = {10.3133/wdrva912},
  url = {https://pubs.usgs.gov/publication/wdrVA912},
  note = {Source identifier: wdrVA912}
}