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Quad Cities
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Quad Cities
Quad Cities

Quad Cities

industrial area, Illinois-Iowa, United States
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Quad Cities, complex of cities at the Iowa-Illinois border, on the Mississippi River, U.S. Despite its name, the region includes five main cities: Rock Island, Moline, and East Moline, Illinois, and Davenport and Bettendorf, Iowa. There are also several smaller contiguous communities.

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