@misc{indiciaecb3c9b22084a,
  title = {Report of work done in the division of chemistry and physics, mainly during the fiscal year 1887-88},
  author = {Frank Wigglesworth Clarke},
  year = {1890},
  doi = {10.3133/b60},
  url = {https://pubs.usgs.gov/publication/b60},
  note = {Source identifier: b60}
}