@misc{indiciaeeea9f2b54ee1,
  title = {Aeromagnetic map of Georgia},
  author = {Isidore Zietz and F. E. Riggle and F. P. Gilbert},
  year = {1980},
  doi = {10.3133/gp940},
  url = {https://pubs.usgs.gov/publication/gp940},
  note = {Source identifier: gp940}
}