Tower caisson for the Mackinac Bridge (21 of 45)

This view, taken from a tower caisson shows them closing the gap in ring number 16 the pier No. 19 caisson.  Through the gap, looking north,  can be seen the other foundation projects  (1), Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This view, taken from a tower caisson shows them closing the gap in ring number 16 the pier No. 19 caisson. Through the gap, looking north, can be seen the other foundation projects (1)
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1954 (approximate)