@misc{indiciaee92992543bba,
  title = {Geologic map of the Scott City quadrangle and part of the Thebes quadrangle, Scott and Cape Girardeau counties, Missouri},
  author = {W. D. Johnson},
  year = {1985},
  doi = {10.3133/mf1803},
  url = {https://pubs.usgs.gov/publication/mf1803},
  note = {Source identifier: mf1803}
}