@misc{indiciae01f6af2f519c,
  title = {Geologic map of the Blackbird Mountain Quadrangle, Lemhi County, Idaho},
  author = {R. G. Tysdal and K. V. Evans and Karen Lund},
  year = {2000},
  doi = {10.3133/i2728},
  url = {https://pubs.usgs.gov/publication/i2728},
  note = {Source identifier: i2728}
}