@misc{indiciae6678d89881d1,
  title = {Geology and ore deposits of the Philipsburg district, Granite County, Montana},
  author = {William C. Prinz},
  year = {1967},
  doi = {10.3133/b1237},
  url = {https://pubs.usgs.gov/publication/b1237},
  note = {Source identifier: b1237}
}