@misc{indiciae0e7dfab27e27,
  title = {Geology of the Humboldt region and the Iron King mine, Bigbug mining district, Yavapai County, Arizona},
  author = {Saville Cyrus Creasey},
  year = {1951},
  doi = {10.3133/ofr5143},
  url = {https://pubs.usgs.gov/publication/ofr5143},
  note = {Source identifier: ofr5143}
}