Aggregate placement (16 of 18)

A crane places aggregate into pier 18 caisson, the south cable bent pier., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: A crane places aggregate into pier 18 caisson, the south cable bent pier.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)