@misc{indiciaee2ccc50ddaea,
  title = {Geology of the Wolf Creek Dam quadrangle, Kentucky},
  author = {Richard Quintin Lewis and Robert E. Thaden},
  year = {1962},
  doi = {10.3133/gq177},
  url = {https://pubs.usgs.gov/publication/gq177},
  note = {Source identifier: gq177}
}