@misc{indiciae48da6d1d7a38,
  title = {Preliminary geologic map of the Boot Mesa quadrangle, Arizona},
  author = {I. J. Witkind and H.E. Maide and R.E. Thaden and E. J. McKay and Douglas H. Johnson and R.J. Claus},
  year = {1953},
  doi = {10.3133/ofr53270},
  url = {https://pubs.usgs.gov/publication/ofr53270},
  note = {Source identifier: ofr53270}
}