@misc{indiciae9625050b1a4c,
  title = {Chronologic evidence for multiple periods of loess deposition during the Late Pleistocene in the Missouri and Mississippi River Valley, United States: Implications for the activity of the Laurentide ice sheet},
  author = {S.L. Forman and E. Arthur Bettis and T.J. Kemmis and B.B. Miller},
  year = {1992},
  doi = {10.1016/0031-0182(92)90184-7},
  url = {https://pubs.usgs.gov/publication/70017080},
  note = {Source identifier: 70017080}
}