@misc{indiciae763f96ad03a7,
  title = {Geologic map of the Peach Springs 30' x 60' quadrangle, Mohave and Coconino counties, northwestern Arizona},
  author = {George H. Billingsley and Debra L. Block and Helen C. Dyer},
  year = {2006},
  doi = {10.3133/sim2900},
  url = {https://pubs.usgs.gov/publication/sim2900},
  note = {Source identifier: sim2900}
}