@misc{indiciae2850dfd17e87,
  title = {Calcareous nannoplankton and stratigraphy of late Turonian, Coniacian, and early Santonian age of the Eagle Ford and Austin groups of Texas},
  author = {C. C. Smith},
  year = {1981},
  doi = {10.3133/pp1075},
  url = {https://pubs.usgs.gov/publication/pp1075},
  note = {Source identifier: pp1075}
}