@misc{indiciae81e0e3b7c28c,
  title = {The isotopic analysis of water from the Henderson mine, Clear Creek County, Colorado},
  author = {Irving Friedman},
  year = {1973},
  doi = {10.3133/ofr7374},
  url = {https://pubs.usgs.gov/publication/ofr7374},
  note = {Source identifier: ofr7374}
}