@misc{indiciaeeb1aeecf30ba,
  title = {Geology of the Quicksand quadrangle, Kentucky},
  author = {John R. Donnell and John E. Johnston},
  year = {1963},
  doi = {10.3133/gq240},
  url = {https://pubs.usgs.gov/publication/gq240},
  note = {Source identifier: gq240}
}