@misc{indiciaea223ec941af0,
  title = {Anomalous concentration of metals in soils in the Wickes mining district, Jefferson County, Montana},
  author = {D. M. Pinckney},
  year = {1976},
  doi = {10.3133/ofr76291},
  url = {https://pubs.usgs.gov/publication/ofr76291},
  note = {Source identifier: ofr76291}
}