@misc{indiciae9aa9dde4d961,
  title = {Pliocene environments},
  author = {R.Z. Poore},
  year = {2007},
  doi = {10.1016/b0-44-452747-8/00011-9},
  url = {https://pubs.usgs.gov/publication/70120881},
  note = {Source identifier: 70120881}
}