@misc{indiciae4d810abbeea4,
  title = {Geologic map of the Parmleysville Quadrangle and part of the Sharp Place Quadrangle, Wayne and McCreary counties, Kentucky},
  author = {Alfred R. Taylor},
  year = {1977},
  doi = {10.3133/ofr77521},
  url = {https://pubs.usgs.gov/publication/ofr77521},
  note = {Source identifier: ofr77521}
}