@misc{indiciaefa328c298f6c,
  title = {Agathla Peak NW quadrangle, Arizona-Utah},
  author = {I. J. Witkind},
  year = {1957},
  doi = {10.3133/mf88},
  url = {https://pubs.usgs.gov/publication/mf88},
  note = {Source identifier: mf88}
}