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Shelbyville Lake and Dam on the Kaskaskia River at Shelbyville, Illinois The Kaskaskia River is a tributary of the Mississippi River, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data
The National Map
, accessed May 13, 2011
in central and southern Illinois in the United States. The second largest river system within Illinois, it drains a rural area of farms, as well as rolling hills along river bottoms of hardwood forests in its lower reaches. The lower reaches of the river have been canalized to allow barge traffic. "Cascasquia" is an alternative, supposedly more French, spelling of "Kaskaskia" that is sometimes encountered. It was named after a clan of the Illiniwek encountered by the early French Jesuits and other settlers. "Okaw River" was an alternative name for the Kaskaskia that persists in place names along the river, including Okawville, and in a major tributary, the West Okaw River.


Hydrography

The Kaskaskia rises in east central Illinois in several farm ditches along the west side of Champaign. The headwaters of the river is just north of Interstate 74, where it is marked with a sign. The river flows south across rural Champaign and Douglas counties, then southwest across southern Illinois, past Vandalia. It joins the Mississippi from the north approximately northwest of Chester and south-southeast of St. Louis, Missouri. The watershed of the river encompasses approximately , approximately 10.2% of the state of Illinois. The Kaskaskia is impounded in Shelby County to form Lake Shelbyville. It is also impounded in Clinton County southwest of Vandalia to form Carlyle Lake. For most of the 19th century, the river joined the Mississippi at Chester. Deforestation of river banks of the Mississippi and tributaries to fuel the hundreds of steamboats that plied the river had several significant environmental effects: destabilizing the banks, causing the Mississippi to become wider and more shallow, causing more severe flooding and leading to lateral channel changes in the American Bottoms area.F. Terry Norris, "Where Did the Villages Go? Steamboats, Deforestation, and Archaeological Loss in the Mississippi Valley", in ''Common Fields: an environmental history of St. Louis'', Andrew Hurley, ed., St. Louis, MO: Missouri Historical Society Press, 1997, pp. 73-89 In the aftermath of a major 1881 flood, the Mississippi changed its channel and moved east to flow along the lower of the channel of the Kaskaskia, shifting the confluence 10 miles north. As a result, a small portion of Illinois, including the former capital, Kaskaskia, was cut off from Illinois when the river moved to its east side. It is now located on the west side of the Mississippi. The community of Kaskaskia can now only be reached from the Missouri shore. The Kaskaskia River State Fish & Wildlife Area is located along the lower river in southern Illinois. Fort Kaskaskia was located near the mouth of the river in Randolph County.

See also

*List of Illinois rivers *Becks Creek, tributary of the river.

References



External links


Kaskaskia River State Fish & Wildlife Area
*ttp://cfpub.epa.gov/surf/huc.cfm?huc_code=07140201 Surf the Upper Kaskaskia with USEPAbr>Surf the Middle KaskaskiaSurf the Shoal WatershedSurf the Lower Kaskaskia
{{authority control Category:Rivers of Illinois Category:Tributaries of the Mississippi River Category:Rivers of Champaign County, Illinois Category:Rivers of Shelby County, Illinois Category:Rivers of Clinton County, Illinois Category:Rivers of Randolph County, Illinois