@misc{indiciaeb50c528ad3fa,
  title = {Geologic map of part of the Owensboro West quadrangle, in Daviess County, Kentucky},
  author = {Gus H. Goudarzi and Avery E. Smith},
  year = {1971},
  doi = {10.3133/gq890},
  url = {https://pubs.usgs.gov/publication/gq890},
  note = {Source identifier: gq890}
}