@misc{indiciae54d5b9ec883f,
  title = {Evolution of the Early Proterozoic Colorado province: Constraints from U-Pb geochronology},
  author = {John C. Reed and M. E. Bickford and Wayne R. Premo and John N. Aleinikoff and John S. Pallister},
  year = {1987},
  doi = {10.1130/0091-7613(1987)15<861:eotepc>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70209543},
  note = {Source identifier: 70209543}
}