@misc{indiciae4689df52365f,
  title = {East Shasta copper-zinc zistrict, Shasta County, California},
  author = {J. P. Albers and J. F. Robertson},
  year = {1953},
  doi = {10.3133/ofr531},
  url = {https://pubs.usgs.gov/publication/ofr531},
  note = {Source identifier: ofr531}
}