@misc{indiciae07adf4bfdd86,
  title = {Boulder Creek batholith, Colorado part II: Isotopic age of emplacement and morphology of zircon},
  author = {Thomas W. Stern and George Phair and Marcia F. Newell},
  year = {1971},
  doi = {10.1130/0016-7606(1971)82[1615:bcbcpi]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70227418},
  note = {Source identifier: 70227418}
}