@misc{indiciaea811ed202e5b,
  title = {Preliminary report on titanium-bearing sandstone in the San Juan Basin and adjacent areas in Arizona, Colorado, and New Mexico},
  author = {John Francis Murphy},
  year = {1956},
  doi = {10.3133/ofr5686},
  url = {https://pubs.usgs.gov/publication/ofr5686},
  note = {Source identifier: ofr5686}
}