@misc{indiciaebfc579c0b362,
  title = {Deglaciation of the mountainous region of northwestern Montana, U.S.A., as indicated by late Pleistocene ashes},
  author = {P. E. Carrara and S. K. Short and R.E. Wilcox},
  year = {1986},
  doi = {10.2307/1550889},
  url = {https://pubs.usgs.gov/publication/70014565},
  note = {Source identifier: 70014565}
}