@misc{indiciaecd613e8a70f0,
  title = {Isotopic ages of rocks in the northern Front Range, Colorado},
  author = {Anna B. Wilson and Bruce Bryant},
  year = {2006},
  doi = {10.3133/ofr20061051},
  url = {https://pubs.usgs.gov/publication/ofr20061051},
  note = {Source identifier: ofr20061051}
}