@misc{indiciaebe14c797e6c6,
  title = {Louisiana ground-water map no. 3: Potentiometric surface, 1989, and water-level changes, 1980-89, of the Sparta aquifer in north-central Louisiana},
  author = {Charles W. Smoot and Ronald C. Seanor},
  year = {1991},
  doi = {10.3133/wri904183},
  url = {https://pubs.usgs.gov/publication/wri904183},
  note = {Source identifier: wri904183}
}