@misc{indiciae1cf18c89dc31,
  title = {Aeromagnetic map of south-central Alabama},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1983},
  doi = {10.3133/ofr83611},
  url = {https://pubs.usgs.gov/publication/ofr83611},
  note = {Source identifier: ofr83611}
}