@misc{indiciae8f423fdc9cee,
  title = {Contributions to economic geology, 1906, Part I, Metals and nonmetals except fuels--Quartz and Feldspar},
  author = {Edson Sunderland Bastin},
  year = {1907},
  doi = {10.3133/b315l},
  url = {https://pubs.usgs.gov/publication/b315L},
  note = {Source identifier: b315L}
}