@misc{indiciaea627c63711f0,
  title = {Uranium in the metal-mining districts of Colorado},
  author = {Robert Ugstad King and B. F. Leonard and F. B. Moore and C. T. Pierson},
  year = {1953},
  doi = {10.3133/cir215},
  url = {https://pubs.usgs.gov/publication/cir215},
  note = {Source identifier: cir215}
}