@misc{indiciaecf7021cf560b,
  title = {Geology of the Burkesville quadrangle, Kentucky},
  author = {J. Mark Cattermole},
  year = {1963},
  doi = {10.3133/gq220},
  url = {https://pubs.usgs.gov/publication/gq220},
  note = {Source identifier: gq220}
}