@misc{indiciae0df2d0d82bed,
  title = {Geologic map of the Ford quadrangle, central Kentucky},
  author = {Douglas F. B. Black},
  year = {1968},
  doi = {10.3133/gq764},
  url = {https://pubs.usgs.gov/publication/gq764},
  note = {Source identifier: gq764}
}