@misc{indiciae2695fcee48c3,
  title = {Geologic and grade-tonnage information on volcanic-hosted copper-zinc-lead massive sulfide deposits},
  author = {Dan L. Mosier and D.A. Singer and B.B. Salem},
  year = {1983},
  doi = {10.3133/ofr8389},
  url = {https://pubs.usgs.gov/publication/ofr8389},
  note = {Source identifier: ofr8389}
}