@misc{indiciaeb6796bd3060b,
  title = {Rapid field and laboratory method for the determination of copper in soil and rocks},
  author = {Hy Almond},
  year = {1955},
  doi = {10.3133/b1036a},
  url = {https://pubs.usgs.gov/publication/b1036A},
  note = {Source identifier: b1036A}
}