@misc{indiciae18f7e1742da3,
  title = {Lithology and geologic setting of lower Proterozoic iron-formations in parts of northern Wisconsin},
  author = {C. E. Dutton},
  year = {1983},
  doi = {10.3133/ofr8476},
  url = {https://pubs.usgs.gov/publication/ofr8476},
  note = {Source identifier: ofr8476}
}