@misc{indiciaed69d10c32e6a,
  title = {Preliminary geologic map of the Yreka Quadrangle, California},
  author = {P.E. Hotz},
  year = {1974},
  doi = {10.3133/mf568},
  url = {https://pubs.usgs.gov/publication/mf568},
  note = {Source identifier: mf568}
}