@misc{indiciaea31c249edad0,
  title = {Geology of the Salyersville North quadrangle, Kentucky},
  author = {W.L. Adkinson and John Edward Johnston},
  year = {1964},
  doi = {10.3133/gq276},
  url = {https://pubs.usgs.gov/publication/gq276},
  note = {Source identifier: gq276}
}