@misc{indiciae339dd64c1921,
  title = {Geologic maps of the Shasta copper-zinc district, Shasta County, California},
  author = {Arthur R. Kinkel and Wayne Everett Hall and John Patrick Albers},
  year = {1954},
  doi = {10.3133/ofr54148},
  url = {https://pubs.usgs.gov/publication/ofr54148},
  note = {Source identifier: ofr54148}
}