Carp May Maroon Chicago Boaters as Lake Michigan Lockout Looms
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Chicago’s seasonal ritual of boat parades may be scuttled as five states ask a judge to head off an invasion of Asian carp by blocking access to Lake Michigan.
Boats come out of winter storage along the Chicago and Calumet rivers each spring and motor through locks into the lake, where they harbor until autumn. The city schedules lifts of movable bridges twice a week to accommodate tall masts.