@misc{indiciae18455277920f,
  title = {Geologic map of parts of Newport and Withamsville quadrangles, Campbell and Kenton Counties, Kentucky},
  author = {A. B. Gibbons},
  year = {1973},
  doi = {10.3133/gq1072},
  url = {https://pubs.usgs.gov/publication/gq1072},
  note = {Source identifier: gq1072}
}