@misc{indiciae96a11e41f2ca,
  title = {Geologic map of the Franklinton quadrangle, Henry County, Kentucky},
  author = {A. B. Gibbons},
  year = {1976},
  doi = {10.3133/gq1330},
  url = {https://pubs.usgs.gov/publication/gq1330},
  note = {Source identifier: gq1330}
}