@misc{indiciae3c5a5c93643f,
  title = {Geology of the quicksilver deposits of Canoas, Zacatecas, Mexico},
  author = {David Gallagher},
  year = {1952},
  doi = {10.3133/b975b},
  url = {https://pubs.usgs.gov/publication/b975B},
  note = {Source identifier: b975B}
}