@misc{indiciaec12ec65b14f9,
  title = {Geologic map of the Montfort quadrangle, Wisconsin},
  author = {John Edward Carlson},
  year = {1958},
  doi = {10.3133/ofr5823},
  url = {https://pubs.usgs.gov/publication/ofr5823},
  note = {Source identifier: ofr5823}
}