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The Chicago Harbor Lock, also known as the Chicago River & Harbor Controlling Works, is a stop lock and dam located within the Chicago Harbor in Chicago, Illinois at the mouth of the Chicago River. It is a component of the Chicago Area Waterway System , and is used to control water diversion from Lake Michigan into the river and for navigation.
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There are three major locks within the CAWS, operated by the Army Corps of Engineers: the Chicago Harbor Lock, the Lockport Lock & Dam, and the T.J. O'Brien Lock and Dam. [4] Artificial waterways connecting the Mississippi and Great Lakes systems via the Chicago area, over the Chicago Portage, began with the I&M Canal in 1848. [5]
Hundreds of people in a southern Illinois town were ordered to evacuate Tuesday as water rolled over the top of a dam, just one perilous result of severe weather that raged through the Midwest ...
Predating the lock and dam was the Blue Island Lock, constructed at the eastern end of the Cal-Sag Channel in 1922. Nearly as soon as its completion, there was already lobbying by various industries along the waterway to expand the size of the lock, which measured 360 by 50 feet (110 m × 15 m).
The Chicago River's flow pattern was reversed in the early 1900's from running north in to Lake Michigan to a southerly flow into the Des Plaines River and then the Illinois River to the ...
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 partial failure of Minnesota’s Rapidan Dam sheds like on the almost 4,100 dams in the U.S. that are categorized at the same risk level and condition – or worse.