@misc{indiciae0e751f7e1e3a,
  title = {Geologic map of the Lamasco quadrangle, western Kentucky},
  author = {Raymond Dewey Sample},
  year = {1967},
  doi = {10.3133/gq608},
  url = {https://pubs.usgs.gov/publication/gq608},
  note = {Source identifier: gq608}
}