@misc{indiciae986fa56fd1cb,
  title = {Pleistocene glaciations of the Rocky Mountains},
  author = {Kenneth L. Pierce},
  year = {2003},
  doi = {10.1016/s1571-0866(03)01004-2},
  url = {https://pubs.usgs.gov/publication/70210763},
  note = {Source identifier: 70210763}
}