@misc{indiciae031f6742188a,
  title = {Map showing lead determined by atomic absorption 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/ofr7873d},
  url = {https://pubs.usgs.gov/publication/ofr7873D},
  note = {Source identifier: ofr7873D}
}