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Postcard

Aerial Bridge, Entrance to Duluth-Superior Harbor

Date: 1913
Description: Aerial bridge and harbor, with a large boat passing underneath. A lamppost and a beacon are along the walkway towards the bridge on the left. Caption reads...
Postcard

Duluth Superior Lift Bridge

Date: 07 30 1952
Description: Text on reverse reads: "G-1–Ore Boat Leaving Duluth-Superior Harbor, Lift Bridge Raised. Giant lake freighters leave Duluth-Superior Harbor, the world's la...
Postcard

Opening of Navigation Season

Date: 06 14 1947
Description: Text on front reads: "Opening of Navigation Season, First Giant Freighters Entering Ship Canal and Duluth-Superior Harbor." On reverse: "The navigation sea...

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