@misc{indiciae37e6811b056e,
  title = {Geologic map of the Golconda quadrangle, Kentucky-Illinois, and the part of the Brownfield quadrangle in Kentucky},
  author = {Dewey Harold Amos},
  year = {1966},
  doi = {10.3133/gq546},
  url = {https://pubs.usgs.gov/publication/gq546},
  note = {Source identifier: gq546}
}