@misc{indiciae931664b0c6ae,
  title = {Geochemical map showing the distribution and abundance of copper, lead, and molybdenum in the ash of willow leaves in the Big Delta quadrangle, Alaska},
  author = {Thomas D. Hessin and E.F. Cooley and D. F. Siems},
  year = {1978},
  doi = {10.3133/ofr78529m},
  url = {https://pubs.usgs.gov/publication/ofr78529M},
  note = {Source identifier: ofr78529M}
}