Shell Rock River
Shellrock River
Shell Rock River is located in Iowa
Shell Rock River
Location of mouth
Location
CountryUnited States
StatesMinnesota, Iowa
Counties (Minnesota)Freeborn
Counties (Iowa)Worth, Cerro Gordo, Floyd, Butler, Bremer, Black Hawk
Physical characteristics
SourceAlbert Lea Lake
  locationFreeborn County, Minnesota
  coordinates43°36′42″N 93°17′37″W / 43.6116242°N 93.2935403°W / 43.6116242; -93.2935403[1]
MouthWest Fork Cedar River
  location
Black Hawk County, Iowa
  coordinates
42°38′03″N 92°30′05″W / 42.6341488°N 92.5012982°W / 42.6341488; -92.5012982
  elevation
869 ft (265 m)[1]
Length113 miles (182 km)
Discharge 
  locationShell Rock, Iowa
  average1,211 cu/ft. per sec.[2]
Basin features
Tributaries 
  rightWinnebago River

The Shell Rock River is a 113-mile-long (182 km)[3] tributary of the West Fork Cedar River in southern Minnesota and northern Iowa in the United States. Via the Cedar and Iowa rivers, it is part of the Mississippi River watershed.[1]

Name

This river was named for the fossil shells found in outcroppings along its banks.[4] 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 "Shellrock River".[1]

Course

The Shell Rock River flows from Albert Lea Lake in Freeborn County, Minnesota,[5] and soon enters Iowa, flowing generally south-southeastwardly through eastern Worth, northeastern Cerro Gordo, western Floyd, northeastern Butler, southwestern Bremer and northwestern Black Hawk counties, past the town of Glenville in Minnesota and the towns of Northwood, Plymouth, Rock Falls, Nora Springs, Rockford, Marble Rock, Greene, Clarksville and Shell Rock in Iowa. It joins the West Fork of the Cedar River in Black Hawk County, about 6 miles (10 km) north-northwest of Cedar Falls. At Rockford, Iowa, it collects the Winnebago River from the west.[6]

See also

References

  1. 1 2 3 4 U.S. Geological Survey Geographic Names Information System: Shell Rock River
  2. "Shell Rock River". USGS.
  3. U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed May 13, 2011
  4. Upham, Warren (1920). Minnesota Geographic Names: Their Origin and Historic Significance. Minnesota Historical Society. p. 202.
  5. DeLorme (1994). Minnesota Atlas & Gazetteer. Yarmouth, Maine: DeLorme. ISBN 0-89933-222-6.
  6. DeLorme (1998). Iowa Atlas & Gazetteer. Yarmouth, Maine: DeLorme. ISBN 0-89933-214-5.
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