@misc{indiciae07d791727c2d,
  title = {Geologic map of the Tertiary formations of Alabama},
  author = {F. Stearns MacNeil},
  year = {1946},
  doi = {10.3133/om45},
  url = {https://pubs.usgs.gov/publication/om45},
  note = {Source identifier: om45}
}