Tower for the Mackinac Bridge going up (10 of 11)

Much activity around the tower foundation as the tower starts up, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Much activity around the tower foundation as the tower starts up
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)