@misc{indiciaed30026ca70d9,
  title = {Elk Ridge 2 SW quadrangle, San Juan County, Utah},
  author = {R.Q. Lewis and R. H. Campbell},
  year = {1958},
  doi = {10.3133/mf192},
  url = {https://pubs.usgs.gov/publication/mf192},
  note = {Source identifier: mf192}
}