Lake Agassiz was a large proglacial lake that existed in central North America during the late Pleistocene, fed by meltwater from the retreating Laurentide Ice Sheet at the end of the last glacial period. At its peak, the lake's area was … See more

Lockhart Phase: 12,875–12,560 YBP
During the Lockhart Phase, water accumulated in the Red River valley of North Dakota See more

Glacial Lake Souris formed along the Manitoba and North Dakota border, forming a crescent around the west side of the Turtle Mountains. Lake Souris had three successive … See more

During the last glacial maximum, northern North America was covered by an ice sheet, which alternately advanced and retreated with variations in the climate. This continental ice … See more

The lowest point between the drainage of Hudson Bay and the Gulf of Mexico is in the Traverse Gap between the U.S. states of See more

Numerous lakes have formed in this glacial lake basin. The best known are the Great Lakes of Manitoba; Lake Winnipeg, Lake Manitoba, and Lake Winnipegosis. A cluster of smaller … See more

Raised beaches, many kilometres from any current water, mark the former boundaries of the lake. While the Red River gradually descends from south to north, these old strandlines ascend as one goes north, due to isostatic rebound since glaciation. See more