@misc{indiciae971baded4f7a,
  title = {Geologic map of the Buckeye quadrangle, central Kentucky},
  author = {Don E. Wolcott},
  year = {1970},
  doi = {10.3133/gq843},
  url = {https://pubs.usgs.gov/publication/gq843},
  note = {Source identifier: gq843}
}