@misc{indiciae96574032f568,
  title = {Geologic map of the Farmers quadrangle, east-central Kentucky},
  author = {Robert C. McDowell},
  year = {1975},
  doi = {10.3133/gq1236},
  url = {https://pubs.usgs.gov/publication/gq1236},
  note = {Source identifier: gq1236}
}