@misc{indiciae9b4694e50c91,
  title = {Geologic map of the Upton quadrangle, central Kentucky},
  author = {Frank R. Moore},
  year = {1972},
  doi = {10.3133/gq1000},
  url = {https://pubs.usgs.gov/publication/gq1000},
  note = {Source identifier: gq1000}
}