@misc{indiciae711373105252,
  title = {Geologic map of the Advance Quadrangle, Stoddard and Bollinger counties, Missouri},
  author = {D.H. Amos and D.B. Blankenship},
  year = {1980},
  doi = {10.3133/mf1197},
  url = {https://pubs.usgs.gov/publication/mf1197},
  note = {Source identifier: mf1197}
}