@misc{indiciae12f6be631e52,
  title = {Photogeologic map of Clay Hills 12 quadrangle, San Juan County, Utah},
  author = {William August Fischer},
  year = {1952},
  doi = {10.3133/ofr5247},
  url = {https://pubs.usgs.gov/publication/ofr5247},
  note = {Source identifier: ofr5247}
}