@misc{indiciae435a728947bf,
  title = {Maps of Gordon, Whitfield, and Murray counties, Georgia, showing geology and location of wells and springs},
  author = {C.W. Cressler},
  year = {1971},
  doi = {10.3133/ofr7179},
  url = {https://pubs.usgs.gov/publication/ofr7179},
  note = {Source identifier: ofr7179}
}