@misc{indiciaeeb90a0e1790d,
  title = {Pitchblende deposits at the Wood and Calhoun mines Central City Mining District, Gilpin County, Colorado},
  author = {Frank R. Moore and C.R. Butler},
  year = {1950},
  doi = {10.3133/tem198},
  url = {https://pubs.usgs.gov/publication/tem198},
  note = {Source identifier: tem198}
}