Progressive Port, Duluth, Minnesota

An aerial view (for a 1961 Photo Contest) of the Duluth-Superior port and the incomplete high bridge, a tied-arch suspension span, whose construction began November 28, 1958 and was dedicated December 2, 1971.

~ Photo Credit: University of Minnesota Duluth, Kathryn A. Martin Library, Northeast Minnesota Historical Collections

Leave a Reply

Your email address will not be published. Required fields are marked *