@misc{indiciae4cb3cfc5dc71,
  title = {Geochemical and generalized geologic map showing distribution and abundance of copper in the Nabesna Quadrangle, Alaska},
  author = {S.P. Marsh},
  year = {1975},
  doi = {10.3133/mf655b},
  url = {https://pubs.usgs.gov/publication/mf655B},
  note = {Source identifier: mf655B}
}