@misc{indiciaeafe6d307f1c9,
  title = {Geologic map of the Pine Hill Quadrangle, Beaverhead and Deer Lodge counties, Montana},
  author = {D.L. Hanneman},
  year = {1987},
  doi = {10.3133/mf1930},
  url = {https://pubs.usgs.gov/publication/mf1930},
  note = {Source identifier: mf1930}
}