Roadway progress during Mackinac Bridge construction (10 of 15)

Looking at the progress of the roadway from part way up the south tower., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Looking at the progress of the roadway from part way up the south tower.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)