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Minnesota River, Mankato, Minnesota. The Minnesota River (Dakota: Mnísota Wakpá) is a tributary of the Mississippi River, approximately 332 miles (534 km) long, in the U.S. state of Minnesota. It drains a watershed of 14,751 square miles (38,200 km 2) in Minnesota and about 2,000 sq mi (5,200 km 2) in South Dakota and Iowa.
The Minnesota River valley has been a vital, but overlooked natural area, especially as it approaches confluence with the Mississippi River near Fort Snelling State Park. [6] In 1969, the Minnesota Legislature established a state trail system in the Minnesota River valley from the city of Le Sueur to Fort Snelling State Park. By 2019, only the ...
Watersheds [1] of Minnesota. Minnesota has 6,564 natural rivers and streams that cumulatively flow for 69,000 miles (111,000 km). The Mississippi River begins its journey from its headwaters at Lake Itasca and crosses the Iowa border 680 mi (1,094 km) downstream.
To the south, Big Stone Lake is the source of River Warren's remnant, the Minnesota River, tributary to the Mississippi, which drains to the Gulf of Mexico and the Atlantic. Big Stone Lake is now fed by the Little Minnesota River, the headwaters of which are in South Dakota. The Little Minnesota enters the gap from the west and meanders south ...
Morton gneiss, also known as rainbow gneiss, is an Archean-age gneiss found in the Minnesota River Valley of southwestern Minnesota, United States. It is one of the oldest stones on Earth, at about 3.5 billion years old. Along with the nearby Montevideo Gneiss, it is the oldest intact continental crust rock in the United States. [1]
The Minnesota River Valley and tributaries as seen from an airliner at Redwood Falls, Minnesota. The Minnesota River occupies only a small portion of the wide valley carved by the Glacial River Warren. Lake Agassiz was formed from the meltwaters of the Laurentide Ice Sheet during the Wisconsin glaciation of the last ice age.
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
A number of tributaries of the river, including its largest, the West Branch Lac qui Parle River, also flow in eastern South Dakota. Via the Minnesota River, the Lac qui Parle River is part of the watershed of the Mississippi River, draining an area of 1,156 square miles (2,990 km 2) in an agricultural region. Slightly more than two-thirds of ...