@misc{indiciaef36ebdbde051,
  title = {Map showing outcrops of pre-Quaternary basaltic rocks, Basin and Range Province, Arizona},
  author = {W. D. Johnson},
  year = {1984},
  doi = {10.3133/wri834114g},
  url = {https://pubs.usgs.gov/publication/wri834114G},
  note = {Source identifier: wri834114G}
}