@misc{indiciae0312036f304a,
  title = {Geochemistry areas and sample sites, and multielement and single element geochemistry maps of Mauritania (phase V, deliverable 58)},
  author = {Stuart A. Giles and Robert G. Eppinger},
  year = {2015},
  doi = {10.3133/ofr20131280d1},
  url = {https://pubs.usgs.gov/publication/ofr20131280D1},
  note = {Source identifier: ofr20131280D1}
}