@misc{indiciae53204fc52a2a,
  title = {Photogeologic map of the Elk Ridge-9 quadrangle, San Juan County, Utah},
  author = {C. F. Miller},
  year = {1956},
  doi = {10.3133/i127},
  url = {https://pubs.usgs.gov/publication/i127},
  note = {Source identifier: i127}
}