@misc{indiciae8ecd6c1a1eee,
  title = {Geology of the Potosi quadrangle, Grant County, Wisconsin, and Dubuque County, Iowa},
  author = {Jesse W. Whitlow and Walter S. West},
  year = {1966},
  doi = {10.3133/b1123i},
  url = {https://pubs.usgs.gov/publication/b1123I},
  note = {Source identifier: b1123I}
}