@misc{indiciaea8338f5990f2,
  title = {Geology and ore deposits of the Carbo Zinc Prospect, Northport district, Stevens County, Washington},
  author = {C.D. Campbell},
  year = {1945},
  doi = {10.3133/ofr4556},
  url = {https://pubs.usgs.gov/publication/ofr4556},
  note = {Source identifier: ofr4556}
}