@misc{indiciae82938da33ebe,
  title = {Ground-water levels in the United States, 1956-59, South-Central States},
  author = {O. M. Hackett},
  year = {1962},
  doi = {10.3133/wsp1549},
  url = {https://pubs.usgs.gov/publication/wsp1549},
  note = {Source identifier: wsp1549}
}