Tower caisson for the Mackinac Bridge (19 of 45)

Marine cranes using clam buckets remove overburden from the depths of the caisson and deposit it into the lake, Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Marine cranes using clam buckets remove overburden from the depths of the caisson and deposit it into the lake
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)