@misc{indiciae5d5eaa8e5717,
  title = {Stratigraphy and chronology of glaciations in Yellowstone National Park},
  author = {G.M. Richmond},
  year = {1986},
  doi = {10.1016/0277-3791(86)90177-0},
  url = {https://pubs.usgs.gov/publication/70014592},
  note = {Source identifier: 70014592}
}