@misc{indiciae69509fb337cb,
  title = {Geologic map of the Itabirito quadrangle, Minas Gerais, Brazil},
  author = {Roberts Manning Wallace},
  year = {1960},
  doi = {10.3133/ofr60148},
  url = {https://pubs.usgs.gov/publication/ofr60148},
  note = {Source identifier: ofr60148}
}