@misc{indiciaecb2b264abd0f,
  title = {Pre-Cenozoic geology of the south half of the Auburn 15-minute Quadrangle, California},
  author = {F. H. Olmsted},
  year = {1971},
  doi = {10.3133/b1341},
  url = {https://pubs.usgs.gov/publication/b1341},
  note = {Source identifier: b1341}
}