@misc{indiciae89272d085a1d,
  title = {Chromite deposits of the Pilliken area, Eldorado County, California},
  author = {Francis Gerritt Wells and Lincoln R. Page and Harold Lloyd James},
  year = {1940},
  doi = {10.3133/b922o},
  url = {https://pubs.usgs.gov/publication/b922O},
  note = {Source identifier: b922O}
}