@misc{indiciae663378427b39,
  title = {Geologic map of the Mazie Quadrangle, eastern Kentucky},
  author = {William F. Outerbridge},
  year = {1977},
  doi = {10.3133/ofr77248},
  url = {https://pubs.usgs.gov/publication/ofr77248},
  note = {Source identifier: ofr77248}
}