@misc{indiciaefb976e5fa7a8,
  title = {Map of Arizona showing oil, gas, and exploratory wells, pipelines, and areas of igneous and metamorphic rocks},
  author = {Thomas F. Stipp and Helen M. Beikman},
  year = {1959},
  doi = {10.3133/om201},
  url = {https://pubs.usgs.gov/publication/om201},
  note = {Source identifier: om201}
}