@misc{indiciae8c0880829a77,
  title = {Phosphate investigations in Brazil},
  author = {James Bachelder Cathcart},
  year = {1976},
  doi = {10.3133/ofr7645},
  url = {https://pubs.usgs.gov/publication/ofr7645},
  note = {Source identifier: ofr7645}
}