@misc{indiciae8905a47bc5a0,
  title = {Lead-zinc deposits in part of the Northport mining district, Washington},
  author = {C.D. Campbell},
  year = {1945},
  doi = {10.3133/ofr451},
  url = {https://pubs.usgs.gov/publication/ofr451},
  note = {Source identifier: ofr451}
}