@misc{indiciaea7a57e61a94f,
  title = {The Glaciation of the Yellowstone Valley North of the Park},
  author = {Walter Harvey Weed},
  year = {1893},
  doi = {10.3133/b104},
  url = {https://pubs.usgs.gov/publication/b104},
  note = {Source identifier: b104}
}