@misc{indiciae2b77d7b78c78,
  title = {Contributions to economic geology (short papers and preliminary reports), 1934-36},
  author = {Gerald F. Loughlin},
  year = {1937},
  doi = {10.3133/b847},
  url = {https://pubs.usgs.gov/publication/b847},
  note = {Source identifier: b847}
}