@misc{indiciae7a7792fe3507,
  title = {Preliminary report on the geology of Lake Mary quadrangle, Iron County, Michigan},
  author = {Richard W. Bayley},
  year = {1956},
  doi = {10.3133/ofr565},
  url = {https://pubs.usgs.gov/publication/ofr565},
  note = {Source identifier: ofr565}
}