@misc{indiciae4d61fe045550,
  title = {Geologic map of the Rock Canyon Quadrangle, northern Mohave County, Arizona},
  author = {George H. Billingsley},
  year = {1992},
  doi = {10.3133/ofr92449},
  url = {https://pubs.usgs.gov/publication/ofr92449},
  note = {Source identifier: ofr92449}
}