@misc{indiciae7ff4e4faabdc,
  title = {Report of work done in the division of chemistry and physics mainly during the fiscal year 1884-85},
  author = {Frank Wigglesworth Clarke},
  year = {1886},
  doi = {10.3133/b27},
  url = {https://pubs.usgs.gov/publication/b27},
  note = {Source identifier: b27}
}