Concrete mixing for Mackinac Bridge (1 of 4)

Concrete mixing plants on the job.  One at the north anchor pier (No. 22) the other at the approach pier No. 23, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Concrete mixing plants on the job. One at the north anchor pier (No. 22) the other at the approach pier No. 23
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)