@misc{indiciaee2f9cd31d540,
  title = {A geologic field guide to S P Mountain and its lava flow, San Francisco Volcanic Field, Arizona},
  author = {Amber L. Gullikson and M. Elise Rumpf and Lauren A. Edgar and Laszlo P. Keszthelyi and James A. Skinner and Lisa Thompson},
  year = {2021},
  doi = {10.3133/ofr20211072},
  url = {https://pubs.usgs.gov/publication/ofr20211072},
  note = {Source identifier: ofr20211072}
}