@misc{indiciaeea3c42593c95,
  title = {Chemical composition of the hydrothermal fluids responsible for the lead-zinc deposits at Providencia, Zacatecas, Mexico},
  author = {Robert O. Rye and Joseph Haffty},
  year = {1969},
  doi = {10.2113/gsecongeo.64.6.629},
  url = {https://pubs.usgs.gov/publication/70223397},
  note = {Source identifier: 70223397}
}