@misc{indiciaebff85d759340,
  title = {Geology and ore deposits of east Shasta copper-zinc district, Shasta County, California},
  author = {J. P. Albers and J. F. Robertson},
  year = {1961},
  doi = {10.3133/pp338},
  url = {https://pubs.usgs.gov/publication/pp338},
  note = {Source identifier: pp338}
}