@misc{indiciae992127eced0a,
  title = {Index map of important phosphate deposits of southeastern Idaho and adjoining parts of Wyoming and Utah},
  author = {Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey},
  year = {1946},
  doi = {10.3133/ofr466},
  url = {https://pubs.usgs.gov/publication/ofr466},
  note = {Source identifier: ofr466}
}