@misc{indiciae91e4ba81c63e,
  title = {Planning report for the southeastern limestone regional aquifer system analysis},
  author = {Richard H. Johnston},
  year = {1978},
  doi = {10.3133/ofr78516},
  url = {https://pubs.usgs.gov/publication/ofr78516},
  note = {Source identifier: ofr78516}
}