@misc{indiciaefc883e6e60ea,
  title = {Geologic map of the Fallsburg quadrangle, Kentucky-West Virginia, and the Prichard quadrangle in Kentucky},
  author = {Joseph A. Sharps},
  year = {1967},
  doi = {10.3133/gq584},
  url = {https://pubs.usgs.gov/publication/gq584},
  note = {Source identifier: gq584}
}