@misc{indiciae5c83072ed0bc,
  title = {Foraminifers from the upper part of the Lewis Shale (Upper Cretaceous) near Durango, Colorado},
  author = {M.A. Carey},
  year = {1990},
  doi = {10.3133/ofr90220},
  url = {https://pubs.usgs.gov/publication/ofr90220},
  note = {Source identifier: ofr90220}
}