@misc{indiciaee1be5745c96b,
  title = {Tertiary volcanic rocks of the Mineral Mountain and Teapot Mountain quadrangles, Pinal County, Arizona},
  author = {William J. Keith and Ted G. Theodore},
  year = {1979},
  doi = {10.3133/ofr79716},
  url = {https://pubs.usgs.gov/publication/ofr79716},
  note = {Source identifier: ofr79716}
}