@misc{indiciaebde53750567f,
  title = {Miscellaneous nonmetallic products},
  author = {C. W. Hayes and W. C. Phalen and D.B. Sterrett},
  year = {1908},
  doi = {10.3133/b340m},
  url = {https://pubs.usgs.gov/publication/b340M},
  note = {Source identifier: b340M}
}