@misc{indiciaed8aa73ade284,
  title = {Manganese deposits of the Drum Mountains, Utah},
  author = {Eugene Callaghan},
  year = {1938},
  doi = {10.2113/gsecongeo.33.5.508},
  url = {https://pubs.usgs.gov/publication/70211633},
  note = {Source identifier: 70211633}
}