@misc{indiciae242fa448ae87,
  title = {Geologic map of the Noble quadrangle, eastern Kentucky},
  author = {E. Neal Hinrichs},
  year = {1978},
  doi = {10.3133/gq1476},
  url = {https://pubs.usgs.gov/publication/gq1476},
  note = {Source identifier: gq1476}
}