Maverick whale invades Duluth shipping canal
April 1, 1999 - On this special date, MPR’s Amy Radil reports that the Duluth Port Authority is scrambling to respond to unconfirmed reports of whale sightings in the Duluth Ship Canal. Biologists speculate a scarce food supply has driven a whale far inland during the spring breeding season. Authorities are trying to determine whether the whale poses a shipping hazard and how the marine mammal made its lengthy journey.