@misc{indiciae8ff3fa2ba50f,
  title = {Photogeologic map of the Tidwell-1 quadrangle, Grand County, Utah},
  author = {V.H. Sable},
  year = {1955},
  doi = {10.3133/i87},
  url = {https://pubs.usgs.gov/publication/i87},
  note = {Source identifier: i87}
}