Spring at the cable anchor piers of the Mackinac Bridge (1 of 2)

After adding a steel framework atop the cable anchor pier, a mobile track-crane is hoisted up for use in the construction operation, Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: After adding a steel framework atop the cable anchor pier, a mobile track-crane is hoisted up for use in the construction operation
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)