@misc{indiciae4f122eded630,
  title = {Geologic map of the Wofford quadrangle, Whitley County, Kentucky},
  author = {J. Hiram Smith},
  year = {1967},
  doi = {10.3133/gq617},
  url = {https://pubs.usgs.gov/publication/gq617},
  note = {Source identifier: gq617}
}