@misc{indiciae7eda4477067f,
  title = {Titanium mineral resources of the western U.S.: An update},
  author = {Eric R. Force and Scott Creely},
  year = {2000},
  doi = {10.3133/ofr00442},
  url = {https://pubs.usgs.gov/publication/ofr00442},
  note = {Source identifier: ofr00442}
}