@misc{indiciaed0e065dea08e,
  title = {Geologic map of the Glenville quadrangle, McLean and Daviess Counties, Kentucky},
  author = {William D. Johnson and Avery E. Smith},
  year = {1972},
  doi = {10.3133/gq1046},
  url = {https://pubs.usgs.gov/publication/gq1046},
  note = {Source identifier: gq1046}
}