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Chicago accomplished quite a number of engineering feats in its time. The big one was the reversing the flow of the Chicago river [1] through a system of canals
by wenc 8y ago
Chicago accomplished quite a number of engineering feats in its time. The big one was the reversing the flow of the Chicago river [1] through a system of canals and locks.
[1] https://en.wikipedia.org/wiki/Chicago_River#Reversing_the_flow https://en.wikipedia.org/wiki/Chicago_River#Reversing_the_fl...
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