@misc{indiciae569b71023d53,
  title = {Preliminary structure map of the Mount Vernon Quadrangle, Rockcastle County, Kentucky},
  author = {Seymour O. Schlanger and Gordon W. Weir},
  year = {1969},
  doi = {10.3133/ofr69237},
  url = {https://pubs.usgs.gov/publication/ofr69237},
  note = {Source identifier: ofr69237}
}