@misc{indiciaec6f254e9fadf,
  title = {Extinction and survival of plant life following the Cretaceous/Tertiary boundary event, Western Interior, North America},
  author = {R.H. Tschudy and B.D. Tschudy},
  year = {1986},
  doi = {10.1130/0091-7613(1986)14<667:easopl>2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70014669},
  note = {Source identifier: 70014669}
}