@misc{indiciae486b281b7333,
  title = {Geologic map of the Olympia quadrangle, Bath and Menifee Counties, Kentucky},
  author = {Robert C. McDowell and Gordon Whitney Weir},
  year = {1977},
  doi = {10.3133/gq1406},
  url = {https://pubs.usgs.gov/publication/gq1406},
  note = {Source identifier: gq1406}
}