@misc{indiciaedf6c756ca444,
  title = {Mineral resources of the Bonnifield region},
  author = {S. R. Capps},
  year = {1911},
  doi = {10.3133/b480h},
  url = {https://pubs.usgs.gov/publication/b480H},
  note = {Source identifier: b480H}
}