@misc{indiciae5e9f9d27ba1f,
  title = {Radioactivity reconnaissance of part of north-central Clear Creek County, Front Range, Colorado},
  author = {John David Wells and Jack Edward Harrison},
  year = {1953},
  doi = {10.3133/tei305},
  url = {https://pubs.usgs.gov/publication/tei305},
  note = {Source identifier: tei305}
}