@misc{indiciaeaf400dae372f,
  title = {Photogeologic map of Clay Hills 15 quadrangle, San Juan County, Utah},
  author = {Wenonah H. Eckstein},
  year = {1952},
  doi = {10.3133/ofr5240},
  url = {https://pubs.usgs.gov/publication/ofr5240},
  note = {Source identifier: ofr5240}
}