@misc{indiciae7f95eee87d8d,
  title = {General distribution of manganese in rocks and soils in the Coeur d'Alene district, Idaho and Montana},
  author = {G. B. Gott and J. B. Cathrall},
  year = {1979},
  doi = {10.3133/i1093f},
  url = {https://pubs.usgs.gov/publication/i1093F},
  note = {Source identifier: i1093F}
}