Red Wing Region

During the great ice ages the landscape of Minnesota was profoundly altered by continental glaciers in four major epochs of glaciation. In this area, as elsewhere, the closing stage of each epoch was characterized by the release of floods of meltwater which eroded the broad valley of the Mississippi River 200 feet deeper than the present channel. Because the tributary streams carried less water than the main river they were unable to cut down so rapidly, and consequently their valley floors had steeper slopes.

As the volume of meltwater diminished with the depletion of the ice, the velocity of the main stream was reduced and it was no longer able to remove all of the sediment contributed by its high-gradient tributaries. Thus the valley was filled to its present level and exhibits a remarkable series of meanders, oxbow lakes, side channels, sloughs, swamps, and tillable land.

Erected by the Geological Society of Minnesota
and the City of Red Wing
aided by a grant from the
Louis W. and Maud Hill Family Foundation
1955

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Show me all markers in:  Red Wing, MN  |  Goodhue County  |  55066  |  Minnesota  |  United States of America

Mt. La Grange - Barn Bluff
Kiwanis Stairway
Barn Bluff
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Civil War Memorial
Remember the Maine
National Newspaper Association
T.B. Sheldon Memorial Auditorium
Goodhue County Veterans Memorial
Chicago, Milwaukee & St. Paul Railroad Depot

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