Army Corps approves $778M plan to block Asian carp advance to Great Lakes

Asian carp
Silver carp in a tank Thursday, Apr. 4, 2013 at the Minnesota Aquatic Invasive Species Research Center on the University of Minnesota St. Paul campus. The U.S. Army Corps of Engineers' commanding officer has endorsed a $778 million plan to prevent Asian carp from invading the Great Lakes.
Jennifer Simonson | MPR News 2013