@misc{indiciaeb955f09c2fc2,
  title = {Contributions to economic geology (short papers and preliminary reports), 1911, Part I, Metals and nonmetals except fuels},
  author = {Waldemar Lindgren},
  year = {1913},
  doi = {10.3133/b530},
  url = {https://pubs.usgs.gov/publication/b530},
  note = {Source identifier: b530}
}