@misc{indiciaeb5af872521e6,
  title = {Geologic map of the Leighton quadrangle, east-central Kentucky},
  author = {Donald C. Haney and Charles L. Rice},
  year = {1978},
  doi = {10.3133/gq1495},
  url = {https://pubs.usgs.gov/publication/gq1495},
  note = {Source identifier: gq1495}
}