@misc{indiciae25c00a559c90,
  title = {Economic geology of the Idaho Springs district, Clear Creek and Gilpin Counties, Colorado},
  author = {Robert Hadley Moench and Avery Drake},
  year = {1966},
  doi = {10.3133/b1208},
  url = {https://pubs.usgs.gov/publication/b1208},
  note = {Source identifier: b1208}
}