Invasive carp reach Mississippi River dam in Twin Cities

A biologist tells MPR that lab tests have confirmed the silver carp has swam as far as Lock and Dam No. 1. Researchers are awaiting word on whether the fish has also reached the mouth of the Minnesota River.
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A biologist tells MPR that lab tests have confirmed the silver carp has swam as far as Lock and Dam No. 1. Researchers are awaiting word on whether the fish has also reached the mouth of the Minnesota River.

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