@misc{indiciaec41f8cc2d6f4,
  title = {Contributions to economic geology (short papers and preliminary reports), 1927: Part I - Metals and nonmetals except fuels},
  author = {Gerald Francis Loughlin and George Rogers Mansfield},
  year = {1927},
  doi = {10.3133/b795},
  url = {https://pubs.usgs.gov/publication/b795},
  note = {Source identifier: b795}
}