@misc{indiciae92c45037db5c,
  title = {Geology of the Vox quadrangle, Kentucky},
  author = {Willard P. Puffett},
  year = {1963},
  doi = {10.3133/gq224},
  url = {https://pubs.usgs.gov/publication/gq224},
  note = {Source identifier: gq224}
}