@misc{indiciaef712fafa4439,
  title = {A Miocene river in northern Arizona and its implications for the Colorado River and Grand Canyon},
  author = {Ivo Lucchitta and Richard F. Holm and Baerbel K. Lucchitta},
  year = {2011},
  doi = {10.1130/g119a.1},
  url = {https://pubs.usgs.gov/publication/70034617},
  note = {Source identifier: 70034617}
}