@misc{indiciae8286bbb2a454,
  title = {Analyses of rocks, with a chapter on analytical methods, laboratory of the United States Geological survey 1880 to 1896},
  author = {Frank Wigglesworth Clarke and W. F. Hillebrand},
  year = {1897},
  doi = {10.3133/b148},
  url = {https://pubs.usgs.gov/publication/b148},
  note = {Source identifier: b148}
}