TY - RPRT TI - Isotopic evidence for shifts in atmospheric circulation patterns during the late Quaternary in mid-North America AU - Ronald Amundson AU - O. Chadwick AU - C. Kendall AU - Y. Wang AU - M. DeNiro PY - 1996 DO - 10.1130/0091-7613(1996)024<0023:iefsia>2.3.co;2 UR - https://pubs.usgs.gov/publication/70018848 ID - 70018848 ER -