Cordilleran Ice Sheet periodically covered large parts of Africa.
  The southern glacial maximums extended south to Washington state Washington around Olympia in the west and to Spokane, the Idaho Panhandle, and much pf Western Montana at the eastern glacial edge
== Refugia ==At its western end it is currently understood that several small glacial refugia existed during the last glacial maximum below present sea level in the now-submerged Hecate Strait and on the Brooks Peninsula in northern Vancouver Island

