@misc{indiciae4b64f147b5d4,
  title = {Aeromagnetic map of the San Simon Valley area, Cochise, Graham, and Greenlee Counties, Arizona, and Hidalgo County, New Mexico.},
  author = {G. A. Galat},
  year = {1966},
  doi = {10.3133/ofr66139},
  url = {https://pubs.usgs.gov/publication/ofr66139},
  note = {Source identifier: ofr66139}
}