@misc{indiciae37e177f00b21,
  title = {Geology and mineral resources of the Barao de Cocais area, Minas Gerais, Brazil},
  author = {G. C. Simmons},
  year = {1968},
  doi = {10.3133/pp341h},
  url = {https://pubs.usgs.gov/publication/pp341H},
  note = {Source identifier: pp341H}
}