Catwalks to main cables on Mackinac Bridge (1 of 3)

View , in the fog, of the catwalks secured to the main suspension cables., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: View , in the fog, of the catwalks secured to the main suspension cables.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1957 (approximate)