@misc{indiciae41841e4e4b06,
  title = {Geology of the northern part of the Boulder bathylith [batholith] and adjacent area, Montana},
  author = {Adolph Knopf and Eleanora Bliss},
  year = {1963},
  doi = {10.3133/i381},
  url = {https://pubs.usgs.gov/publication/i381},
  note = {Source identifier: i381}
}