@misc{indiciae6e426cc83673,
  title = {Geology of the Hadley quadrangle, Kentucky},
  author = {Henry C. Rainey},
  year = {1963},
  doi = {10.3133/gq237},
  url = {https://pubs.usgs.gov/publication/gq237},
  note = {Source identifier: gq237}
}