@misc{indiciaec134316f2f04,
  title = {Geologic map of the New Liberty quadrangle, Owen and Henry counties, Kentucky},
  author = {A. B. Gibbons and W. C. Swadley},
  year = {1976},
  doi = {10.3133/gq1348},
  url = {https://pubs.usgs.gov/publication/gq1348},
  note = {Source identifier: gq1348}
}