@misc{indiciaefb359ac7fb5f,
  title = {The Laramie and the overlying Livingston formation in Montana, with report on flora},
  author = {Walter Harvey Weed and Frank Hall Knowlton},
  year = {1893},
  doi = {10.3133/b105},
  url = {https://pubs.usgs.gov/publication/b105},
  note = {Source identifier: b105}
}