@misc{indiciae0aff4cfafafd,
  title = {Summary of microfossil investigations, April 1948 to April 1949, with special reference to the Barrow and Simpson areas, 1949},
  author = {H.N. Loeblich},
  year = {1954},
  doi = {10.3133/ofr54172},
  url = {https://pubs.usgs.gov/publication/ofr54172},
  note = {Source identifier: ofr54172}
}