TY - RPRT TI - Isotopic evidence for the diversity of late Quaternary loess in Nebraska: Glaciogenic and nonglaciogenic sources AU - John N. Aleinikoff AU - Daniel R. Muhs AU - E. Arthur Bettis AU - William C. Johnson AU - C. Mark Fanning AU - Rachel Benton PY - 2008 DO - 10.1130/b26222.1 UR - https://pubs.usgs.gov/publication/70038741 ID - 70038741 ER -