@misc{indiciae07d1b44d243f,
  title = {Map showing bedrock topography and subcrop of selected beds beneath alluvial deposits of the Livermore quadrangle, western Kentucky},
  author = {A. E. Smith and R.E. Sergeant},
  year = {1978},
  doi = {10.3133/i1085},
  url = {https://pubs.usgs.gov/publication/i1085},
  note = {Source identifier: i1085}
}