@misc{indiciaeb6d544b1465f,
  title = {Geology of the Rockfield quadrangle, Kentucky},
  author = {Henry C. Rainey},
  year = {1964},
  doi = {10.3133/gq309},
  url = {https://pubs.usgs.gov/publication/gq309},
  note = {Source identifier: gq309}
}