@misc{indiciae73bc439130ee,
  title = {Photogeologic map of the Emery-15 quadrangle, Emery County, Utah},
  author = {D. Bunnag and G. Moustafa},
  year = {1957},
  doi = {10.3133/i261},
  url = {https://pubs.usgs.gov/publication/i261},
  note = {Source identifier: i261}
}