@misc{indiciaeebad6181df68,
  title = {Geologic map of the Greensburg quadrangle, Green and Taylor Counties, Kentucky},
  author = {Alfred R. Taylor and Stanley J. Luft and Richard Quintin Lewis},
  year = {1968},
  doi = {10.3133/gq739},
  url = {https://pubs.usgs.gov/publication/gq739},
  note = {Source identifier: gq739}
}