Caisson construction for Mackinac Bridge (1 of 3)

This photo taken in the St. Ignace yards shows the three sections of an anchor pier framework and the round caisson frame for the north cable bent pier, Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This photo taken in the St. Ignace yards shows the three sections of an anchor pier framework and the round caisson frame for the north cable bent pier
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)