@misc{indiciae9720da82490c,
  title = {Semiquantitative spectrographic and chemical analyses of rocks from the lower plate of the Roberts Thrust, north-central part of the Cortez quadrangle, Nevada},
  author = {Ralph Leroy Erickson},
  year = {1964},
  doi = {10.3133/ofr6450},
  url = {https://pubs.usgs.gov/publication/ofr6450},
  note = {Source identifier: ofr6450}
}