@misc{indiciaeee83c7b7ba1e,
  title = {Geologic map of the Hole-N-Wall Canyon Quadrangle, northern Mohave County, Arizona},
  author = {George H. Billingsley},
  year = {1992},
  doi = {10.3133/ofr92432},
  url = {https://pubs.usgs.gov/publication/ofr92432},
  note = {Source identifier: ofr92432}
}