@misc{indiciae3b9928c51657,
  title = {Possible impacts of early-11th-, middle-12th-, and late-13th-century droughts on western Native Americans and the Mississippian Cahokians},
  author = {L. V. Benson and M.S. Berry and E.A. Jolie and J.D. Spangler and D.W. Stahle and E.M. Hattori},
  year = {2007},
  doi = {10.1016/j.quascirev.2006.08.001},
  url = {https://pubs.usgs.gov/publication/70032211},
  note = {Source identifier: 70032211}
}