@misc{indiciaeb0ece07ba30d,
  title = {Cretaceous-Tertiary boundary in New Jersey, Delaware, and eastern Maryland},
  author = {James Pierson Minard and J. P. Owens and N. F. Sohl and H.E. Gill and J. F. Mello},
  year = {1969},
  doi = {10.3133/b1274h},
  url = {https://pubs.usgs.gov/publication/b1274H},
  note = {Source identifier: b1274H}
}