Causeway piers for Mackinac Bridge (4 of 5)

A concrete bucket is used to dump concrete in the forms for the foundations located on the causeway, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: A concrete bucket is used to dump concrete in the forms for the foundations located on the causeway
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)