Materials for the Mackinac Bridge (2 of 2)

Steel parts being unloaded from a rail car at the yard in St. Ignace, MI, Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: Steel parts being unloaded from a rail car at the yard in St. Ignace, MI
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)