@misc{indiciae73a74a7b2186,
  title = {Mineral resource assessment of the Dillon 1° x 2° quadrangle, Idaho and Montana},
  author = {Robert Carl Pearson and C. M. Trautwein and E. T. Ruppel and W. F. Hanna and L. C. Rowan and J. S. Loen and B. R. Berger},
  year = {1992},
  doi = {10.3133/cir1077},
  url = {https://pubs.usgs.gov/publication/cir1077},
  note = {Source identifier: cir1077}
}