@misc{indiciae52a1bdadf72d,
  title = {Geology of the Vicco quadrangle, Kentucky},
  author = {Willard P. Puffett},
  year = {1965},
  doi = {10.3133/gq418},
  url = {https://pubs.usgs.gov/publication/gq418},
  note = {Source identifier: gq418}
}