@misc{indiciaea7eb4188469f,
  title = {Remote detection of geochemical soil anomalies},
  author = {Frank Cogswell Canney},
  year = {1970},
  doi = {10.3133/ofr7054},
  url = {https://pubs.usgs.gov/publication/ofr7054},
  note = {Source identifier: ofr7054}
}