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Relief map of the central Driftless Area, emphasizing the high density of trout waters in the region. The Midwest Driftless Area Restoration Effort is a multi-agency cooperative effort to restore the landscape. [25] The main issues are water pollution from agricultural and animal runoff, and erosion.
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Ocooch Mountains are a place name for the Western Upland area of Wisconsin also known as the Driftless Region, meaning un-glaciated, lacking glacial drift or the Paleozoic Plateau, referring to a geologic era, Greek for "ancient life". The lack of glaciated terrain accounts for high hills, bluffs, and ridges.
Pages in category "Driftless Area" The following 110 pages are in this category, out of 110 total. This list may not reflect recent changes. ...
Map of Minnesota bedrock by age. Shaded relief image: Superior Upland in the northeast, the flat Red River Valley in the northwest, Central Minnesota's irregular landscape, the Coteau des Prairies and Minnesota River in the southwest, and the southeast's dissected Driftless Area along the Mississippi River below its confluences with the Minnesota and St. Croix in East Central Minnesota
The eastern end of the range was glaciated during the Wisconsinian glaciation, while the western half was not, and consequently, marks the eastern boundary of Wisconsin's Driftless Area. The city of Baraboo is in the center of the valley. The range was designated a National Natural Landmark in 1980. [1]
Southeast Minnesota comprises the corner of the U.S. state of Minnesota south of the Twin Cities metropolitan area extending east, and part of the multi-state area known as the Driftless Area. Rochester is the largest city in the area; other major cities include Winona, Owatonna, Faribault, Northfield, Austin, and Red Wing.
However, the Dells itself was never covered by glacial ice sheets – it was part of the large Driftless Area that was bypassed by the ice. The melting of the glacier formed Glacial Lake Wisconsin, a lake about the size of Great Salt Lake in Utah and as deep as 150 feet (45 m). The lake was held back by an ice dam of the remaining glacier.