@misc{indiciae052b0425cecd,
  title = {Analyses of stream-sediment samples from the Ketchikan quadrangle, southeastern Alaska},
  author = {Richard D. Koch and Raymond L. Elliott},
  year = {1978},
  doi = {10.3133/ofr78156c},
  url = {https://pubs.usgs.gov/publication/ofr78156C},
  note = {Source identifier: ofr78156C}
}