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William Lager

Upper St. Anthony lock closing after half a century; blame the carp

Upper St. Anthony Falls Lock and Dam
The Patrick Gannaway entered the Upper St. Anthony Falls lock in Minneapolis, Minn. Wednesday, May 20, 2015. After more than 50 years of operation, the Upper St. Anthony Falls lock will be closed to quell the possible spread of invasive carp species.
Jeffrey Thompson | MPR News

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