@misc{indiciaed4cf131f78a6,
  title = {Inventory and review of existing PRISM hydrogeologic data for the Islamic Republic of Mauritania, Africa},
  author = {Michael J. Friedel},
  year = {2008},
  doi = {10.3133/ofr20081138},
  url = {https://pubs.usgs.gov/publication/ofr20081138},
  note = {Source identifier: ofr20081138}
}