@misc{indiciae11fe21cd08c5,
  title = {Water resources data for Virginia, water year 1973},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1974},
  doi = {10.3133/wdrva731},
  url = {https://pubs.usgs.gov/publication/wdrVA731},
  note = {Source identifier: wdrVA731}
}