@misc{indiciaecdb77818627f,
  title = {Geologic map of the Morehead quadrangle, Rowan County, Kentucky},
  author = {Harry P. Hoge and James R. Chaplin},
  year = {1972},
  doi = {10.3133/gq1022},
  url = {https://pubs.usgs.gov/publication/gq1022},
  note = {Source identifier: gq1022}
}