@misc{indiciaea0f5f0c61e26,
  title = {Preliminary geologic map of the Lawrenceville quadrangle, Grant and Owen Counties, Kentucky},
  author = {W. C. Swadley},
  year = {1975},
  doi = {10.3133/ofr75117},
  url = {https://pubs.usgs.gov/publication/ofr75117},
  note = {Source identifier: ofr75117}
}