Mackinac Bridge construction, Spring 1956 (1 of 3)

Spring work picks up there it left off in the fall and winter., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Spring work picks up there it left off in the fall and winter.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)