@misc{indiciae4aa4c7d66f0e,
  title = {Map showing spectrographically determined cobalt in stream sediments, Ketchikan and Prince Rupert quadrangles, Alaska},
  author = {Richard D. Koch and Raymond L. Elliott and M. J. Diggles},
  year = {1978},
  doi = {10.3133/ofr7873i},
  url = {https://pubs.usgs.gov/publication/ofr7873I},
  note = {Source identifier: ofr7873I}
}