@misc{indiciaeff45268c089a,
  title = {Preliminary report on geologic investigations in Monument Valley area, Arizona, 1952},
  author = {Irving Jerome Witkind and R.E. Thaden and C.F. Lough},
  year = {1953},
  doi = {10.3133/tem536},
  url = {https://pubs.usgs.gov/publication/tem536},
  note = {Source identifier: tem536}
}