@misc{indiciae4a77cf4853e3,
  title = {Geologic map of the Handshoe quadrangle, eastern Kentucky},
  author = {Walter Danilchik},
  year = {1977},
  doi = {10.3133/gq1372},
  url = {https://pubs.usgs.gov/publication/gq1372},
  note = {Source identifier: gq1372}
}