@misc{indiciae2cb77493a124,
  title = {Geology of parts of the Rockport and Lewisport quadrangles, Kentucky},
  author = {Frank Darwyn Spencer},
  year = {1964},
  doi = {10.3133/gq315},
  url = {https://pubs.usgs.gov/publication/gq315},
  note = {Source identifier: gq315}
}