@misc{indiciae9456a5e28dc9,
  title = {Distribution and abundance of copper in minus-80-mesh stream-sediment and nonmagnetic heavy-mineral-concentrate samples, Chignik and Sutwik Island quadrangles, Alaska},
  author = {D.E. Detra and E.F. Cooley},
  year = {1980},
  doi = {10.3133/mf1053c},
  url = {https://pubs.usgs.gov/publication/mf1053C},
  note = {Source identifier: mf1053C}
}