@misc{indiciaea5a61d47c91b,
  title = {Geologic map of the Lick Creek quadrangle, Pike County, Kentucky},
  author = {E. J. McKay},
  year = {1969},
  doi = {10.3133/gq716},
  url = {https://pubs.usgs.gov/publication/gq716},
  note = {Source identifier: gq716}
}