@misc{indiciae030859367b91,
  title = {Ground-water levels in the United States, 1956-58, southeastern States},
  author = {O. M. Hackett},
  year = {1962},
  doi = {10.3133/wsp1538},
  url = {https://pubs.usgs.gov/publication/wsp1538},
  note = {Source identifier: wsp1538}
}