Cable spinning during Mackinac Bridge construction (33 of 33)

Workers come and go from their work areas on the bridge by boat, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Workers come and go from their work areas on the bridge by boat
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)