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USDA plant hardiness zone regional map - North Central US. The climate is humid continental, displaying both the cool summer and warm summer subtypes as one travels from north to south. [24] The United States Department of Agriculture has the region falling mainly in zone 5a, with the northern fringe being 4b. A few patches in Wisconsin are 4a.
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
Wisconsin is located in the East North Central United States, and is considered to be a part of the Midwest. [3] The state has a total area of 65,496 square miles (169,630 km 2), making it the 23rd largest U.S. State. [4] [5] Of this area, 17% is water, primarily Lake Michigan, Superior, and the many inland lakes in Wisconsin. [6]
Minnesota, showing major roads, railroads, and bodies of water. The U.S. State of Minnesota is the northernmost state outside Alaska; its isolated Northwest Angle in Lake of the Woods is the only part of the 48 contiguous states lying north of the 49th parallel north.
South Dakota is a state located in the north-central United States. It is usually considered to be in the Midwestern region of the country. The state can generally be divided into three geographic regions: eastern South Dakota, western South Dakota, and the Black Hills. Eastern South Dakota is lower in elevation and higher in precipitation than ...
In extreme northwestern Illinois the Driftless Zone, a region of unglaciated and therefore higher and more rugged topography, occupies a small part of the state. Charles Mound , located in this region, is the state's highest elevation above sea level .
These zones amounts to about half of Earth's land surface, the remaining half cannot be explained in simple terms by climate-landform interactions. [5] The limitations of morphoclimatic zoning were already discussed by Siegfried Passarge in 1926 who considered vegetation and the extent of weathered material as having more direct impact than ...
The Upper Midwest is a northern subregion of the U.S. Census Bureau's Midwestern United States.Although the exact boundaries are not uniformly agreed upon, the region is usually defined to include the states of Iowa, Michigan, Minnesota and Wisconsin; some definitions include North Dakota, South Dakota, and parts of Nebraska and Illinois.