In the middle western state of Wisconsin, there is a lake called “Rock Lake”. This huge body of water is in south central Wisconsin, at Lake Mills in Jefferson County about 20 miles (32 kilometers) east of the city of Madison. Rock Lake is a 1,365 acre watery area that reaches a depth of 60 feet (18.3 meters). For many thousands of years, Native American Indian tribes have lived in the area and left many artifacts behind.
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