@misc{indiciae8eeae1021928,
  title = {Preliminary geologic map of the Flagstaff Peak quadrangle, Emery, Sanpete, and Sevier Counties, Utah},
  author = {Joseph D. Sanchez and Philip T. Hayes},
  year = {1977},
  doi = {10.3133/ofr77823},
  url = {https://pubs.usgs.gov/publication/ofr77823},
  note = {Source identifier: ofr77823}
}