@misc{indiciae7d5a04a41c6f,
  title = {Lead isotope database of unpublished results from sulfide mineral occurrences — California, Idaho, Oregon, and Washington},
  author = {S. E. Church},
  year = {2010},
  doi = {10.3133/ofr20101157},
  url = {https://pubs.usgs.gov/publication/ofr20101157},
  note = {Source identifier: ofr20101157}
}