@misc{indiciae861014eea1bf,
  title = {Geochemical map showing the distribution and abundance of cobalt, chromium, and nickel in the oxide residue of stream-sediment samples in the Big Delta quadrangle, Alaska},
  author = {Thomas D. Hessin and E.F. Cooley and R. T. Hopkins and C. M. McDougal and D.E. Detra},
  year = {1978},
  doi = {10.3133/ofr78529l},
  url = {https://pubs.usgs.gov/publication/ofr78529L},
  note = {Source identifier: ofr78529L}
}