@misc{indiciae1f1d0f1ce347,
  title = {Contributions to economic geology, 1905: Tin, quicksliver, platinum, etc.},
  author = {G. B. Richardson and David T. Day and R.H. Richards},
  year = {1906},
  doi = {10.3133/b285c},
  url = {https://pubs.usgs.gov/publication/b285C},
  note = {Source identifier: b285C}
}