Before Illinoian ice sheet pushed south through Illinois, the Mississippi flowed along the eastern valley wall. The ice blocked the flow of the Mississippi between the eastern valley wall and Fountain Bluff.
The river eroded a new channel around the the west side of the bluff and along the western valley wall, leaving Fountain Bluff as [...]
Filed under: Mississippi River, Wetlands | Tagged: Fountain Bluff, Illlinois Geology, Photography, Tower Rock | 3 Comments »
