@misc{indiciae8cd662a86b95,
  title = {Distribution and abundance of determinable silver by spectrographic analysis in nonmagnetic fraction of heavy-mineral concentrates from stream sediments and in the minus-80-mesh fraction of stream sediments, Petersburg area, southeast Alaska},
  author = {John B. Cathrall and G.W. Day and J. D. Hoffman and S.K. McDanal},
  year = {1983},
  doi = {10.3133/ofr83420j},
  url = {https://pubs.usgs.gov/publication/ofr83420J},
  note = {Source identifier: ofr83420J}
}