Little Cottonwood River

The Little Cottonwood River near its mouth (2007)

The Little Cottonwood River is a 133 km long tributary of the Minnesota River in southwest Minnesota in the United States.

About the Minnesota River, it is part of the watershed of the Mississippi River and drains an area of 596 km ² in an agricultural region.

The river rises south of Jeffers in Amboy Township, Cottonwood County, where he starts as a drainage ditch. At its upper reaches, the river follows a more northeastern direction and flows past rock outcrops, such as the Jeffers Petroglyphs. It flows through the Brown County and then reaches the north-west of Blue Earth County, where it flows into the Cambria Township in the Minnesota River, about 11 km southeast of New Ulm. The largest part of its lower course runs parallel to the Cottonwood River, which lies to the north on between 5-15 km in about. The catchment area of the river is narrow and has no major tributaries. The terrain in this area is mainly composed of Grundmöränenfeldern and in the 1990s, 90 % of the area was cultivated for agriculture.

To occur in the river fish species include black bullhead and yellow bullhead, rock bass, Redhorse, and various types of Spring perch.

At the level of the United States Geological Survey in Cambria Township, about 1100 m above the river mouth, was 1974-2005, the average discharge 2 m³ / s The highest measured value in this period was on June 20, 1993 100 m³ / s and the lowest was on 17 September 1977 ( rounded) with 0 m³ / s was measured.

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