Aerial View of Mackinac Bridge Construction (24 of 77)

This aerial view shows work being done on the piers looking from south to north.  A self unloading lake freighter places aggregate into the north tower caisson., Electronic reproduction of photograph.  The Mackinac Bridge 1954 - 1958. Mackinac Bridge Authority
Abstract/Description: This aerial view shows work being done on the piers looking from south to north. A self unloading lake freighter places aggregate into the north tower caisson.
Subject(s): Bridges--Design and construction
St. Ignace (Mich.)
Mackinaw City (Mich.)
Mackinac Bridge (Mich.)
Date Created: 1955 (approximate)