@misc{indiciae54754673cb74,
  title = {Contributions to economic geology, 1906, Part I, Metals and nonmetals except fuels--Mica, Graphite},
  author = {D.B. Sterrett and Sydney Hobart Ball},
  year = {1907},
  doi = {10.3133/b315m},
  url = {https://pubs.usgs.gov/publication/b315M},
  note = {Source identifier: b315M}
}