Towers of the Mackinac Bridge at full height

By the end of 1955 the towers were at full height with some riveting left of finish, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: By the end of 1955 the towers were at full height with some riveting left of finish
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)