@misc{indiciae6f1ec3edab2e,
  title = {Ground-water levels in the United States, 1960-64, south-central states},
  author = {C. L. McGuinness},
  year = {1967},
  doi = {10.3133/wsp1824},
  url = {https://pubs.usgs.gov/publication/wsp1824},
  note = {Source identifier: wsp1824}
}