@misc{indiciae536faab91733,
  title = {Stratigraphy and characteristic mollusks of the Pamunkey Group (Lower Tertiary) and the Old Church Formation of the Chesapeake Group— Virginia coastal plain},
  author = {Lauck W. Ward},
  year = {1985},
  doi = {10.3133/pp1346},
  url = {https://pubs.usgs.gov/publication/pp1346},
  note = {Source identifier: pp1346}
}