@misc{indiciae75a24c973b43,
  title = {Contributions to economic geology, 1912; Part I, Metals and nonmetals except fuels--Aluminum Ores},
  author = {Frank Charles Schrader},
  year = {1914},
  doi = {10.3133/b540i},
  url = {https://pubs.usgs.gov/publication/b540I},
  note = {Source identifier: b540I}
}