@misc{indiciae1337930e3939,
  title = {Potentiometric surface of the Clayton Aquifer in Georgia, October 1990},
  author = {Michael F. Peck and Robert J. Allen},
  year = {1991},
  doi = {10.3133/ofr91208},
  url = {https://pubs.usgs.gov/publication/ofr91208},
  note = {Source identifier: ofr91208}
}