Radiocarbon dates from Boone Lake and their relation to the 'Ice-free Corridor' in the Peace River District of Alberta, Canada

Four new radiocarbon dates spanning the period of 10 740 + 395 to greater than 30 000 BP from a core taken from the bed of a high-level lake in the Saddle Hills of northwestern Alberta suggest that these hills escaped glacial overriding during late Wisconsinan glaciation.