DULUTH, Minn. (AP) - Commercial shipping is underway this season at the Port of Duluth-Superior, signaled by the departure of the first outbound laker.

The Duluth Seaway Port Authority says the Edwin H. Gott left the Twin Ports about 4 a.m. Tuesday. It's en route to Two Harbors for a load of iron ore.

The laker, along with the Philip R. Clark, will head across Lake Superior toward Sault Ste. Marie, Michigan, where they'll wait for the Soo Locks to open on Friday. Both lakers are making deliveries to steel mills on the lower Great Lakes.

Duluth-Superior is the farthest inland port on the Great Lakes St. Lawrence Seaway system.

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