CHAPTER XXIII

GLACIAL LAKES WHICH MARKED THE DECLINE OF THE LAST ICE AGE

Interference of glaciers with drainage—Temporary lakes due to ice blocking—The “parallel roads” of the Scottish glens—The glacial Lake Agassiz—Episodes of the glacial lake history within the St. Lawrence Valley—The crescentic lakes of the earlier stages—The early Lake Maumee—The later Lake Maumee—Lakes Arkona and Whittlesey—Lake Warren—Lakes Iroquois and Algonquin—The Nipissing Great Lakes—Summary of lake stages—Permanent changes of drainage effected by the glacier—Glacial Lake Ojibway in the Hudson’s Bay drainage basin—Reading references 320