@misc{indiciae5c26c9cfcc88,
  title = {Cretaceous foraminifera from the Greenhorn, Carlile, and Cody formations, South Dakota, Wyoming},
  author = {S.K. Fox},
  year = {1954},
  doi = {10.3133/pp254e},
  url = {https://pubs.usgs.gov/publication/pp254E},
  note = {Source identifier: pp254E}
}