@misc{indiciaede1a8aeadd6f,
  title = {Geology of the Platteville quadrangle, Wisconsin},
  author = {Allen Francis Agnew},
  year = {1963},
  doi = {10.3133/b1123e},
  url = {https://pubs.usgs.gov/publication/b1123E},
  note = {Source identifier: b1123E}
}