@misc{indiciae9c7fbdaaa31c,
  title = {Ground-water levels in the United States, 1965-69, south-central states},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1971},
  doi = {10.3133/wsp1979},
  url = {https://pubs.usgs.gov/publication/wsp1979},
  note = {Source identifier: wsp1979}
}