@misc{indiciae8776555f3f8f,
  title = {Geologic map and coal resources of the Flagstaff Peak quadrangle, Emery, Sanpete, and Sevier Counties, Utah},
  author = {J. D. Sanchez and Philip Thayer Hayes},
  year = {1979},
  doi = {10.3133/coal83},
  url = {https://pubs.usgs.gov/publication/coal83},
  note = {Source identifier: coal83}
}