@misc{indiciae504374a1a730,
  title = {Geologic map of the Blaine Quadrangle, Lawrence County, Kentucky},
  author = {Charles Lee Pillmore and Carol Waite Connor},
  year = {1978},
  doi = {10.3133/ofr78169},
  url = {https://pubs.usgs.gov/publication/ofr78169},
  note = {Source identifier: ofr78169}
}