@misc{indiciae86415ee06f20,
  title = {Gulf Coast Regional Aquifer-System Analysis — A Kentucky perspective},
  author = {H. F. Grubb and J. K. Arthur},
  year = {1991},
  doi = {10.3133/wri904138},
  url = {https://pubs.usgs.gov/publication/wri904138},
  note = {Source identifier: wri904138}
}