@misc{indiciaea56d3ff1e782,
  title = {Uranium in the Copper King Mine, Black Hawk No. 1 Claim, Larimer County, Colorado},
  author = {Harry Clifford Granger and Robert Ugstad King},
  year = {1951},
  doi = {10.3133/tem128a},
  url = {https://pubs.usgs.gov/publication/tem128A},
  note = {Source identifier: tem128A}
}