@misc{indiciae16019e5834cb,
  title = {Limits of mountain and continental glaciations east of the Continental Divide in northern Montana and north-western North Dakota, U.S.A.},
  author = {David S. Fullerton and R. B. Colton and C. A. Bush},
  year = {2004},
  doi = {10.1016/s1571-0866(04)80194-5},
  url = {https://pubs.usgs.gov/publication/70208064},
  note = {Source identifier: 70208064}
}