Anchor pier for Mackinac Bridge (42 of 43)

Installing the air lift which was used to get overlay out of the caissons along with water jetting to loosen material and the crane with a clam bucket to lift material to the surface., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Installing the air lift which was used to get overlay out of the caissons along with water jetting to loosen material and the crane with a clam bucket to lift material to the surface.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)