@misc{indiciae9a81b790a89b,
  title = {Geologic map of the Load quadrangle, Greenup County, Kentucky},
  author = {Joseph A. Sharps},
  year = {1966},
  doi = {10.3133/gq519},
  url = {https://pubs.usgs.gov/publication/gq519},
  note = {Source identifier: gq519}
}