@misc{indiciae6b91d6640f29,
  title = {Fusulinid biostratigraphy and correlations between the Appalachian and Eastern Interior basins},
  author = {R. C. Douglass},
  year = {1987},
  doi = {10.3133/pp1451},
  url = {https://pubs.usgs.gov/publication/pp1451},
  note = {Source identifier: pp1451}
}