@misc{indiciae3f86364d6743,
  title = {Louisiana ground-water map no. 21, generalized potentiometric surface of the Evangeline Aquifer in south-central Louisiana, January-March 2004},
  author = {Robert B. Fendick},
  year = {2005},
  doi = {10.3133/sim2880},
  url = {https://pubs.usgs.gov/publication/sim2880},
  note = {Source identifier: sim2880}
}