@misc{indiciae4517929b84d2,
  title = {Photogeologic map of the Mount Ellen-4 quadrangle, Wayne County, Utah},
  author = {W. R. Hemphill},
  year = {1959},
  doi = {10.3133/i280},
  url = {https://pubs.usgs.gov/publication/i280},
  note = {Source identifier: i280}
}