@misc{indiciaeff647c82cf57,
  title = {Geology and ore deposits of the Cachoeira do Campo, Dom Bosco, and Ouro Branco quadrangles, Minas Gerais, Brazil},
  author = {R.F. Johnson},
  year = {1962},
  doi = {10.3133/pp341b},
  url = {https://pubs.usgs.gov/publication/pp341B},
  note = {Source identifier: pp341B}
}