@misc{indiciaecb50da3ba03a,
  title = {Preliminary geologic map of the Elk Ridge 4 SW Quadrangle, San Juan County, Utah},
  author = {Richard Q. Lewis and Russell H. Campbell},
  year = {1958},
  doi = {10.3133/tem1094},
  url = {https://pubs.usgs.gov/publication/tem1094},
  note = {Source identifier: tem1094}
}