@misc{indiciae9f594a9f4a8a,
  title = {Geology of the Lily quadrangle, Kentucky},
  author = {Harold K. Stager},
  year = {1963},
  doi = {10.3133/gq218},
  url = {https://pubs.usgs.gov/publication/gq218},
  note = {Source identifier: gq218}
}