@misc{indiciae7950c1d87250,
  title = {Photogeologic map, Elk Ridge-14 quadrangle, San Juan County, Utah},
  author = {Calvin F. Miller},
  year = {1955},
  doi = {10.3133/ofr55113},
  url = {https://pubs.usgs.gov/publication/ofr55113},
  note = {Source identifier: ofr55113}
}