@misc{indiciae40df9340178a,
  title = {Map showing bauxite, manganese, and nickel deposits of South America},
  author = {G. H. Goudarzi},
  year = {1977},
  doi = {10.3133/mf868e},
  url = {https://pubs.usgs.gov/publication/mf868E},
  note = {Source identifier: mf868E}
}