@misc{indiciaec7542e07405f,
  title = {Characteristic marine Jurassic fossils from the western interior of the United States},
  author = {R. W. Imlay},
  year = {1948},
  doi = {10.3133/pp214b},
  url = {https://pubs.usgs.gov/publication/pp214B},
  note = {Source identifier: pp214B}
}