@misc{indiciaece6089dce520,
  title = {Geology and regional metamorphism of some high-grade cordierite gneisses, Front Range, Colorado},
  author = {Dolores J. Gable and Paul K. Sims},
  year = {1969},
  doi = {10.1130/spe128},
  url = {https://pubs.usgs.gov/publication/70225579},
  note = {Source identifier: 70225579}
}