Lake Arkona was a stage of the lake waters in the Huron-Erie-Ontario basin following the end of the Lake Maumee levels and before the Lake Whittlesey stages, named for Arkona, Ontario, about 50 miles (80 km) east of Sarnia. == Beaches == The ice sheet had withdrawn north of the "thumb" of Michigan, then advanced southward, raising water levels to the east of the "thumb", but not those to the west.
Lake Arkona was a stage of the lake waters in the Huron-Erie-Ontario basin following the end of the Lake Maumee levels and before the Lake Whittlesey stages, named for Arkona, Ontario, about 50 miles (80 km) east of Sarnia. == Beaches == The ice sheet had withdrawn north of the "thumb" of Michigan, then advanced southward, raising water levels to the east of the "thumb", but not those to the west.
Source: Wikipedia "Lake Arkona" · CC BY-SA 4.0
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