@misc{indiciae096b4ec964ca,
  title = {Geochemical map showing the distribution and abundance of copper, lead, and zinc in the minus 80 mesh stream-sediment in the Big Delta quadrangle, Alaska},
  author = {Thomas D. Hessin and R. M. O’Leary and J. D. Hoffman and D.E. Detra},
  year = {1978},
  doi = {10.3133/ofr78529i},
  url = {https://pubs.usgs.gov/publication/ofr78529I},
  note = {Source identifier: ofr78529I}
}