@misc{indiciae38d96918ba3e,
  title = {Geochemical map showing the distribution and abundance of copper, lead, and zinc in the nonmagnetic heavy-mineral concentrate samples in the Big Delta quadrangle, Alaska},
  author = {Thomas D. Hessin and P. M. Taufen and E.F. Cooley and C. M. McDougal},
  year = {1978},
  doi = {10.3133/ofr78529e},
  url = {https://pubs.usgs.gov/publication/ofr78529E},
  note = {Source identifier: ofr78529E}
}