Aerial view of Duluth Lift Bridge and ship canal, Duluth, c.1960.

Aerial ferry bridge over the ship canal at Duluth, 1911. Photographer: Edward Albert Fairbrother.

The twin ports of Superior, Wisconsin, and Duluth, Minnesota, 1909. Author: H. (Henry) Wellge. Publisher: Northern Scenic Publishing Company.

Rocks dropped from loaded barges into the water, Duluth ship canal c.1900.

Duluth ship canal being dug, Duluth Harbor, Duluth, 1870.

"Government ship canal during a storm, Duluth, Minn." Postcard c.1910.

Outdoor shot of fire truck pulling out of No. 3 Station, Pantown, St. Cloud, Minnesota. Pantown homes visible in background, c.1919.

Outdoor shot of Pantown, including Sam Pandolfo's house, 8th Street North looking west, St. Cloud, Minnesota, c.1919.

Outdoor shot of a Model 250 Pan Car along 33rd Avenue North, in front of the main plant of the Pan Motor Company, with three men standing behind the auto, 1918.