@misc{indiciaefe23f86a499e,
  title = {Preliminary study of radioactive limonite in Colorado, Utah, and Wyoming},
  author = {T.G. Lovering and Ernest Pete Beroni},
  year = {1959},
  doi = {10.3133/b1046n},
  url = {https://pubs.usgs.gov/publication/b1046N},
  note = {Source identifier: b1046N}
}