@misc{indiciaefacfd18ae758,
  title = {Geologic map of the Maysville West quadrangle, Kentucky-Ohio},
  author = {A. B. Gibbons and Malcolm P. Weiss},
  year = {1972},
  doi = {10.3133/gq1005},
  url = {https://pubs.usgs.gov/publication/gq1005},
  note = {Source identifier: gq1005}
}