@misc{indiciae4c6a55251d39,
  title = {Geologic and fission-track evidence for Late Cretaceous faulting and mineralization, northeastern flank of Blacktail Mountains, southwestern Montana},
  author = {Russell G. Tysdal and R.A. Zimmerman and A. R. Wallace and L.W. Snee},
  year = {1990},
  doi = {10.3133/b1922},
  url = {https://pubs.usgs.gov/publication/b1922},
  note = {Source identifier: b1922}
}