The Wisconsin Glaciation stretched as far down to Des Moines, Iowa. To get to Iowa you have to pass through Minnesota. The last advance of the Wisconsin Glaciation to reach Minnesota began around 75,000 years ago. The Glacier was advancing until the Glacier retreated and left Minnesota about 21,000 to 25,000 years ago. The glacier had all melted in Minnesota about 11,000 years ago. Central Minnesota and southeast …show more content…
When glaciers leave behind new landforms and the glacier begins to melt, the water find a way into those new landforms caused by the glaciers to create a glacial lake. There were many glacial lakes formed by the Wisconsin Glaciation, there were only seven major lakes. The largest glacial lake of them all, was Lake Agassiz which is all drained now due to the Glacial River Warren. Lake Agassiz had a greater surface area of all of the Great Lakes combined. Lake Agassiz was located near modern day Fargo, North Dakota, or also northwestern Minnesota. The Glacial River warren had weathered down its path to create valleys for the Minnesota