@misc{indiciae2278afd8d4e8,
  title = {Map showing analysis of linear features for mineral assessment in the Dillon 1° x 2° quadrangle, Idaho and Montana},
  author = {T. L. Purdy and L. C. Rowan},
  year = {1990},
  doi = {10.3133/i1803b},
  url = {https://pubs.usgs.gov/publication/i1803B},
  note = {Source identifier: i1803B}
}