@misc{indiciaeb71d28aa847c,
  title = {Geology of the Cuba City, New Diggings, and Shullsburg quadrangles, Wisconsin and Illinois},
  author = {Thomas E. Mullens},
  year = {1964},
  doi = {10.3133/b1123h},
  url = {https://pubs.usgs.gov/publication/b1123H},
  note = {Source identifier: b1123H}
}