@misc{indiciaede5ad4dd23d6,
  title = {Maps showing distribution of the Middle Cretaceous unconformity in the eastern Gulf of Mexico},
  author = {L.M. Massingill and R.H. Wells},
  year = {1987},
  doi = {10.3133/mf1984},
  url = {https://pubs.usgs.gov/publication/mf1984},
  note = {Source identifier: mf1984}
}