Tower work on the Mackinac Bridge

View looking down from the tower top at the operations going on below., Electronic reproduction of text.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: View looking down from the tower top at the operations going on below.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1956 (approximate)