@misc{indiciae172e79151505,
  title = {Geologic map of the Falmouth quadrangle, Pendleton County, Kentucky},
  author = {Stanley J. Luft},
  year = {1972},
  doi = {10.3133/gq1037},
  url = {https://pubs.usgs.gov/publication/gq1037},
  note = {Source identifier: gq1037}
}