@misc{indiciae9f51f2e65774,
  title = {Geology of the Summer Shade quadrangle, Kentucky},
  author = {William James Hail},
  year = {1964},
  doi = {10.3133/gq308},
  url = {https://pubs.usgs.gov/publication/gq308},
  note = {Source identifier: gq308}
}