@misc{indiciae643b9c33d97f,
  title = {Geologic Map of the Needles 7.5' quadrangle, California and Arizona},
  author = {Daniel V. Malmon and Keith A. Howard and Susan S. Priest},
  year = {2009},
  doi = {10.3133/sim3062},
  url = {https://pubs.usgs.gov/publication/sim3062},
  note = {Source identifier: sim3062}
}