@misc{indiciae5a586614af75,
  title = {Geologic map of the Greer Quadrangle, Oregon County, Missouri},
  author = {R. C. McDowell},
  year = {1998},
  doi = {10.3133/i2618},
  url = {https://pubs.usgs.gov/publication/i2618},
  note = {Source identifier: i2618}
}