@misc{indiciae3d8c80bc9417,
  title = {The Upper Cretaceous floras of Alaska, with a description of the plant-bearing beds},
  author = {Arthur Hollick and G. C. Martin},
  year = {1930},
  doi = {10.3133/pp159},
  url = {https://pubs.usgs.gov/publication/pp159},
  note = {Source identifier: pp159}
}