Backstay span for Mackinac Bridge (5 of 14)

Assembly of a back stay span in the St. Ignace yard, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Assembly of a back stay span in the St. Ignace yard
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)