@misc{indiciaef5db0a3aa65f,
  title = {Facies changes in the Hatchetigbee Formation in Alabama-Georgia and the Wilcox-Claiborne Group unconformity},
  author = {T. G. Gibson and Laurel M. Bybell},
  year = {1981},
  url = {https://pubs.usgs.gov/publication/70221742},
  note = {Source identifier: 70221742}
}