@misc{indiciae75547ef21d7c,
  title = {Geologic map of the Lagoa Grande quadrangle, Minas Gerais, Brazil},
  author = {Roberts Manning Wallace},
  year = {1959},
  doi = {10.3133/ofr59124},
  url = {https://pubs.usgs.gov/publication/ofr59124},
  note = {Source identifier: ofr59124}
}