@misc{indiciae397e55c0b7ae,
  title = {Geologic map of the Stanford quadrangle, Boyle and Lincoln Counties, Kentucky},
  author = {Fred R. Shawe and Perry B. Wigley},
  year = {1974},
  doi = {10.3133/gq1137},
  url = {https://pubs.usgs.gov/publication/gq1137},
  note = {Source identifier: gq1137}
}