@misc{indiciaeb2059b26d832,
  title = {Geologic map of the Lola quadrangle, Livingston and Crittenden Counties, Kentucky},
  author = {Robert Denny Trace},
  year = {1976},
  doi = {10.3133/gq1288},
  url = {https://pubs.usgs.gov/publication/gq1288},
  note = {Source identifier: gq1288}
}