Tower caisson for the Mackinac Bridge (13 of 45)

Marine construction equipment working on a tower caisson in the waves of the Straits of Mackinac  (2), Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Marine construction equipment working on a tower caisson in the waves of the Straits of Mackinac (2)
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)