@misc{indiciaefd47aae7e0f7,
  title = {Contributions to mineralogy from the United States Geological Survey},
  author = {Frank Wigglesworth Clarke},
  year = {1905},
  doi = {10.3133/b262},
  url = {https://pubs.usgs.gov/publication/b262},
  note = {Source identifier: b262}
}