@misc{indiciaef624cda90e3f,
  title = {Geologic map of the Mammoth mine area, Tintic district, Utah},
  author = {H. T. Morris},
  year = {1962},
  doi = {10.3133/ofr6289},
  url = {https://pubs.usgs.gov/publication/ofr6289},
  note = {Source identifier: ofr6289}
}