@misc{indiciaeb3a8b76a7ce8,
  title = {Proterozoic geology of the Brady Butte area, Yavapai County, Arizona},
  author = {Philip M. Blacet},
  year = {1984},
  doi = {10.3133/b1548},
  url = {https://pubs.usgs.gov/publication/b1548},
  note = {Source identifier: b1548}
}