@misc{indiciae45333bc3fbbe,
  title = {Louisiana ground-water map no.18, potentiometric surface, 2003, Jasper Aquifer System in west-central Louisiana},
  author = {Jeffrey A. Brantly and Ronald C. Seanor},
  year = {2005},
  doi = {10.3133/sim2861},
  url = {https://pubs.usgs.gov/publication/sim2861},
  note = {Source identifier: sim2861}
}