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The Illinois River (Miami-Illinois: Inoka Siipiiwi [4]) is a principal tributary of the Mississippi River at approximately 273 miles (439 km) in length. Located in the U.S. state of Illinois , [ 5 ] the river has a drainage basin of 28,756.6 square miles (74,479 km 2 ). [ 6 ]
The Illinois Waterway system consists of 336 miles (541 km) of navigable water from the mouth of the Calumet River at Chicago to the mouth of the Illinois River at Grafton, Illinois. Based primarily on the Illinois River , it is a system of rivers, lakes, and canals that provide a commercial shipping connection from the Great Lakes to the Gulf ...
The river runs approximately 273 miles (439 km) long, in the U.S. state of Illinois. [12] This river was important among Native Americans and early French traders as the principal water route connecting the Great Lakes with the Mississippi. The Illinois River meets the Mississippi at Pere Marquette State Park, which is near Grafton.
In the early 2000s, the Illinois River had high levels of pollution due largely to water runoff contaminated by chicken manure. [11] In 2006, the state of Oklahoma began the process of suing a number of firms, including Tyson Foods Inc. because the chicken waste spread on fields near the river contains chemicals that were injurious to the ...
It straddles the Chicago Portage and is the sole navigable inland link between the Great Lakes and the Mississippi River and makes up the northern end of the Illinois Waterway. [ 1 ] The CAWS includes various branches of the Chicago and Calumet Rivers , as well as other channels such as the North Shore Channel , Cal-Sag Channel , and Chicago ...
The Columbia River is the only river on the West Coast (and arguably the entire North American Pacific coast) that is navigable for a significant length. The river is regularly dredged, and freight barges may reach as far inland as Lewiston, Idaho, through a system of locks; however, there are strict draft restrictions beyond the confluence ...
Fish that are predatory, i.e., eat other fish, are more likely to have higher mercury levels. This includes tuna, mackerel, and swordfish, however, feeding small amounts of these fish infrequently ...
Edwards River; Elm River; Embarras River (Illinois) Fox River (Illinois River tributary), northern Illinois; Fox River (Little Wabash tributary), southern Illinois; Galena River; Grand Calumet River; Green River; Henderson Creek; Hickory Creek; Illinois River; Indian Creek; Iroquois River; Jackson Creek; Kankakee River; Kaskaskia River ...