@misc{indiciae9c15446090f2,
  title = {Contributions to economic geology (short papers and preliminary reports, 1925 : Part I. - Metals and nonmetals except fuels},
  author = {Gerald Francis Loughlin and George Rogers Mansfield},
  year = {1926},
  doi = {10.3133/b780},
  url = {https://pubs.usgs.gov/publication/b780},
  note = {Source identifier: b780}
}