@misc{indiciae18cca4679a0a,
  title = {Aeromagnetic map of the Canyon Del Muerto quadrangle, Apache County, Arizona},
  author = {F.C. Frischknecht and F.A. Petrafeso},
  year = {1963},
  doi = {10.3133/gp406},
  url = {https://pubs.usgs.gov/publication/gp406},
  note = {Source identifier: gp406}
}