@misc{indiciaee2109c4148e9,
  title = {Geologic map of the Dutchman Draw quadrangle, northern Mohave County, Arizona},
  author = {G. H. Billingsley},
  year = {1993},
  doi = {10.3133/ofr93587},
  url = {https://pubs.usgs.gov/publication/ofr93587},
  note = {Source identifier: ofr93587}
}