North backstay span of the Mackinac Bridge (12 of 12)

Getting piers ready for the north back stay span, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Getting piers ready for the north back stay span
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955-11