@misc{indiciae0e5ec80713ee,
  title = {Base of fresh ground water, northern Louisiana Salt-Dome Basin and vicinity, northern Louisiana and southern Arkansas},
  author = {G.N. Ryals},
  year = {1980},
  doi = {10.3133/ofr802038},
  url = {https://pubs.usgs.gov/publication/ofr802038},
  note = {Source identifier: ofr802038}
}