TY - RPRT TI - Chronology and provenance of last-glacial (Peoria) loess in western Iowa and paleoclimatic implications AU - Daniel R. Muhs AU - E. Arthur Bettis AU - Helen M. Roberts AU - Stephen S. Harlan AU - James B. Paces AU - Richard L. Reynolds PY - 2017 DO - 10.1016/j.yqres.2013.06.006 UR - https://pubs.usgs.gov/publication/70125300 ID - 70125300 ER -