@misc{indiciae1e5f50a125b8,
  title = {Tungsten deposits of northwestern Inyo County, California},
  author = {Adolph Knopf},
  year = {1917},
  doi = {10.3133/b640l},
  url = {https://pubs.usgs.gov/publication/b640L},
  note = {Source identifier: b640L}
}