@misc{indiciaef0e8c747204e,
  title = {Map showing distribution of silver in the nonmagnetic fraction of heavy-mineral concentrates, Richfield 1° x 2° quadrangle, Utah},
  author = {William R. Miller and Jerry M. Motooka and John B. McHugh},
  year = {1990},
  doi = {10.3133/mf2137b},
  url = {https://pubs.usgs.gov/publication/mf2137B},
  note = {Source identifier: mf2137B}
}