@misc{indiciae84641a094afb,
  title = {Contributions to economic geology (short papers and preliminary reports), 1928 : Part I. - Metals and nonmetals except fuels},
  author = {Gerald Francis Loughlin and George Rogers Mansfield},
  year = {1929},
  doi = {10.3133/b805},
  url = {https://pubs.usgs.gov/publication/b805},
  note = {Source identifier: b805}
}