@misc{indiciaea18158c486ed,
  title = {Map showing mineral resource assessment for placer gold and silver, Dillon 1 degree by 2 degrees Quadrangle, Idaho and Montana},
  author = {R. C. Pearson and J. S. Loen and C. M. Trautwein and E. T. Ruppel and S. H. Moll},
  year = {1991},
  doi = {10.3133/i1803f},
  url = {https://pubs.usgs.gov/publication/i1803F},
  note = {Source identifier: i1803F}
}