August 13, 2020

The Library of Congress captions this image “Steamer Christopher Columbus from Duluth passing industrial buildings,” and dates it “between 1900 and 1915.”

The SS Christopher Columbus was the longest whaleback ship ever built and the only one outfitted to serve as a passenger steamer — the rest were cargo barges. It was built by American Steel Barge Company in Superior and was in service from 1893 to 1933. …

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