North backstay span of the Mackinac Bridge (10 of 12)

The ten inch diameter pin is inserted into the anchor and the span, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: The ten inch diameter pin is inserted into the anchor and the span
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955-12-18