@misc{indiciaecb267b8a33d5,
  title = {Geologic map of the Poverty Spring Quadrangle, northern Mohave County, Arizona},
  author = {G. H. Billingsley},
  year = {1997},
  doi = {10.3133/ofr97493},
  url = {https://pubs.usgs.gov/publication/ofr97493},
  note = {Source identifier: ofr97493}
}