Description
The Shell Rock River is a 113-mile-long (182 km) tributary of the Cedar River in southern Minnesota and northern Iowa in the United States. Via the Cedar and Iowa rivers, it is part of the water shed of the Mississippi River. The United States Board on Geographic Names settled on “Shell Rock River” as the stream’s name in 1931. According to the Geographic Names Information System, it has also been known by the spelling “Shell rock River”.
