@misc{indiciaefe55eba494e3,
  title = {Preliminary geologic map of the Adams Quadrangle, Lawrence County, Kentucky},
  author = {Dwight Edward Ward},
  year = {1977},
  doi = {10.3133/ofr77317},
  url = {https://pubs.usgs.gov/publication/ofr77317},
  note = {Source identifier: ofr77317}
}