@misc{indiciae8937f8cf004b,
  title = {40Ar/39Ar thermochronology of mesoproterozoic metamorphism in the Colorado Front Range},
  author = {C.A. Shaw and L.W. Snee and J. Selverstone and J. C. Reed},
  year = {1999},
  doi = {10.1086/314335},
  url = {https://pubs.usgs.gov/publication/70021963},
  note = {Source identifier: 70021963}
}