@misc{indiciaeb94b477fb297,
  title = {The use of plants in prospecting for gold: A brief overview with a selected bibliography and topic index},
  author = {J. A. Erdman and J. C. Olson},
  year = {1985},
  doi = {10.1016/0375-6742(85)90039-1},
  url = {https://pubs.usgs.gov/publication/70013067},
  note = {Source identifier: 70013067}
}