Title: Topography - Wisconsin
Headings: Wisconsin
Wisconsin
Topography
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Content: the Wisconsin mainland has  at least 575 mi (925 km) of lakeshore and holds jurisdiction over 10,062  sq mi (26,061 sq km) of lake waters. By far, the largest inland lake is  Lake Winnebago, in eastern Wisconsin, covering an area of 215 sq mi (557  sq km). The Mississippi River, which forms part of the border with Minnesota and  the entire border with Iowa, is the main navigable river. The major river  flowing through the state is the Wisconsin, which follows a  south-southwest course for 430 mi (692 km) before meeting the Mississippi  at the Iowa border. Other tributaries of the Mississippi are the St. Croix  River, also part of the Minnesota border, and the Chippewa and Black  rivers. Located on the Black River are Big Manitou Falls, at 165 ft (50 m)  the highest of the state's many waterfalls. Waters from the Fox  River and its major tributary, the Wolf, flow into Green Bay and then into  Lake Michigan, as does the Menominee, which is part of the Michigan state  line. Except in the Driftless Area, glaciation smoothed out many surface  features, gouged out new ones, and left deposits of rock and soil creating  distinctively shaped hills and ridges. Oval mounds, called drumlins, are  still scattered over the southeast; and moraines, formed by deposits left  at the edges of glaciers, are a prominent feature of eastern, central, and  northwestern Wisconsin.